人教版2015年小学五年级数学上学期期末复习题及答案

<div style="text-align: center;"><font color="#ff0000"><span style="font-family: 楷体_GB2312; font-weight: bold;">人教版</span><span style="font-family: 楷体_GB2312; font-weight: bold;">2014-2015</span><span style="font-family: 楷体_GB2312; font-weight: bold;">学年度上期小学五年级</span></font></div><div style="text-align: center;"><font color="#ff0000"><br></font></div><span style="font-family: 黑体; "><div style="text-align: center;"><font color="#ff0000">数学期末复习试卷</font></div></span><br><div style="text-align: center;"><span style="font-family: 楷体_GB2312; letter-spacing: 1pt;">(总分</span><span style="font-family: 楷体_GB2312; letter-spacing: 1pt;">100</span><span style="font-family: 楷体_GB2312; letter-spacing: 1pt;">分,</span><span style="font-family: 楷体_GB2312; letter-spacing: 1pt;">80</span><span style="font-family: 楷体_GB2312; letter-spacing: 1pt;">分钟完成)</span></div><div><font face="楷体_GB2312"><span style="letter-spacing: 1.33333337306976px;"><br></span></font> <table width="100%" border="1"><tbody><tr><td><br>题号<br></td><td><br>一<br></td><td><br>二<br></td><td><br>三<br></td><td><br>四<br></td><td><br>五<br></td><td><br>总&nbsp;分<br></td><td><br>总&nbsp;分&nbsp;人<br></td></tr><tr><td><br>得分<br></td><td><br><o:p>&nbsp;</o:p><br></td><td><br><o:p>&nbsp;</o:p><br></td><td><br><o:p>&nbsp;</o:p><br></td><td><br><o:p>&nbsp;</o:p><br></td><td><br><o:p>&nbsp;</o:p><br></td><td><br><o:p>&nbsp;</o:p><br></td><td><br><o:p>&nbsp;</o:p><br></td></tr></tbody></table> <br><strong><span style="font-family: 黑体; ">一、</span><span style="font-family: 黑体; letter-spacing: -; ">填空。</span><span style="font-family: 楷体_GB2312; letter-spacing: -1pt; ">(共</span><span style="font-family: 楷体_GB2312; letter-spacing: -1pt; ">19</span><span style="font-family: 楷体_GB2312; letter-spacing: -1pt; ">分。)</span></strong><span style="font-family: 楷体_GB2312; letter-spacing: -1pt; "></span><br><br><span>1.&nbsp;</span><span>王阿姨到银行去用美元兑换人民币,当时</span><span>1</span><span>美元可兑换</span><span>6.85</span><span>元,王阿姨的</span><span>200</span><span>美元可兑人民币(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)元。</span><span></span><br><br><span>2.&nbsp;33</span><span>÷</span><span>9</span><span>的商用循环小数表示是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>),保留两位小数约是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)。</span><span></span><br><br><span>3.&nbsp;</span><span>聪聪今年</span><span>a</span><span>岁,爸爸比聪聪大</span><span>25</span><span>岁,爸爸今年(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)岁。聪聪身高</span><span>130cm</span><span>,比爸爸矮</span><span>bcm</span><span>,爸爸身高(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><span>cm</span><span>。</span><span></span><br><br><span style=" z-index:-1; left:0px; "></span><span>4.&nbsp;</span><span>(</span><span>1</span><span>)</span><span>一个平行四边形的底是</span><span>6</span><span>厘米、高是</span><span>3.5</span><span>厘</span><span>米,这个平行四边形的面积是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)平方厘米。</span><br><br><span>(</span><span>2</span><span>)如图,如果这个平行四边形的面积是</span><span>20</span><span>平方厘米,</span><span>涂阴影的三角形的面积是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)平方厘米。</span><span style=" ‘‘; ‘‘; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0126/201512614959.png?m=0.2140781758353114"><br><br><span>5.&nbsp;</span><span>在下面的括号里填上“</span><span>&gt;</span><span>”“</span><span>&lt;</span><span>”或“</span><span>=</span><span>”。</span><span>&nbsp;</span><span style=" ‘‘; ‘‘; "></span><br><br><span>2.5</span><span>×</span><span>0.4&nbsp;</span><span>○</span><span>2.5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.03</span><span>×</span><span>358</span><span>○</span><span>0.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;15.6</span><span>×</span><span>3.2</span><span>○</span><span>32</span><span>×</span><span>1.56</span><span></span><br><br><span>4.15</span><span>÷</span><span>0.15</span><span>○</span><span>4.15&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.9</span><span>÷</span><span>5.9</span><span>○</span><span>3.9&nbsp;</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5</span><span>÷</span><span>0.4</span><span>○</span><span>5</span><span>×</span><span>2.5</span><span></span><br><br><span>6.&nbsp;</span><span>6.5</span><span>5</span><span>&nbsp;=&nbsp;30</span><span>的解是</span><span>&nbsp;=</span><span>(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" ‘‘; ‘‘; "></span><br><br><span>7.&nbsp;</span><span>把一枚硬币向空中抛出,落地后,反面向上的可能性是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)。</span><span></span><br><br><span style=" z-index:-1; left:0px; "></span><span>8.&nbsp;</span><span>右图的面积是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)平方厘米。</span></div><div><br></div><div><span style=" ‘‘; ‘‘; "></span><img src="//www.szxuexiao.com/uploadimages/2015/0126/2015126141221.png?m=0.004701751749962568"><br><br><span>9.&nbsp;</span><span>故宫的面积是</span><span>72</span><span>万平方米,比天安门</span><span>广场面积的</span><span>2</span><span>倍少</span><span>100</span><span>万平方米。天安门</span><span>广场的面积是多少万平方米?</span><span>&nbsp;</span><span>设天安门广</span><span>场的面积是</span><span>x</span><span>万平方米,用方程表示数量关系:</span><span style=" ‘‘; ‘‘; text-decoration:underline; text-underline:single; ">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span></span><br><br><span style=" letter-spacing:-; ">10.</span><span style=" letter-spacing:-; ">小明的妈妈生于</span><span style=" letter-spacing:-; ">1970</span><span style=" letter-spacing:-; ">年</span><span style=" letter-spacing:-; ">11</span><span style=" letter-spacing:-; ">月</span><span style=" letter-spacing:-; ">9</span><span style=" letter-spacing:-; ">日,身份证号码是</span><span>512924197011095505</span><span>。小明的爸爸出生于</span><span>1973</span><span>年</span><span>9</span><span>月</span><span>1</span><span>日,身份证号码是</span><span>512924</span><span>……</span><span>5431</span><span>,小明爸爸身份证号码的</span><span>中间几位数字应该是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)。</span><span>&nbsp;&nbsp;</span><span></span><br><br><span>11.&nbsp;</span><span>一个零件的截面是梯形,梯形上、下底的和与高相等,都是</span><span>40</span><span>毫米,这个零件截面的面积是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)平方毫米。</span><br><br><strong><span style=" font-family:黑体; ">二、仔细推敲,做出判断。</span><span>对的在括号里画“√”,错的画“×”</span><span>&nbsp;</span><span>。</span><span>(</span><span>5</span><span>分)</span><span>&nbsp;</span></strong><span style=" ‘‘; ‘‘; "></span><br><br><span style=" ‘‘; ‘‘; ">1.&nbsp;</span><span>4.5</span><span>÷</span><span>0.9</span><span>、</span><span>45</span><span>÷</span><span>9</span><span>和</span><span>450</span><span>÷</span><span>90</span><span>,这三个算式的商相等。</span><span>(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><span></span><br><br><span style=" ‘‘; ‘‘; ">2.&nbsp;</span><span>昙花的花期大约能保持</span><span>4</span><span>小时,小麦开花的时间是昙花花期的</span><span>0.02</span><span>倍,小麦开花的时间约</span><span>8</span><span>分钟。</span><span>(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><span></span><br><br><span style=" ‘‘; ‘‘; ">3.&nbsp;</span><span>x+2y</span><span>=</span><span>0</span><span>是方程</span><span>。</span><span>(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><span></span><br><br><span>4.&nbsp;2.6</span><span>×</span><span>1.08</span><span>=</span><span>2.78&nbsp;</span><span>(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><span></span><br><br><span>5.a</span><span>÷</span><span>b&nbsp;=&nbsp;c&nbsp;</span><span>(其中</span><span>a</span><span>、</span><span>b</span><span>、</span><span>c</span><span>都不为零),</span><span>&nbsp;</span><span>当</span><span>a</span><span>></span><span>&nbsp;c</span><span>时,</span><span>&nbsp;b</span><span>一定大于</span><span>1</span><span>。</span><span>(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><br><br><strong><span style=" font-family:黑体; ">三、反复比较,慎重选择</span><span>。</span><span>将正确答案的番号填在括号里(</span><span>5</span><span>分)</span></strong><span>&nbsp;</span><br><br><span>1.&nbsp;</span><span>下面的三组式子中,两个式子一定相等的一组是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><span></span><br><br><span>A.&nbsp;2x</span><span>和</span><span>x</span><span style=" ‘‘; ‘‘; vertical-align:super; ">2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>B.&nbsp;9</span><span style=" ‘‘; ‘‘; vertical-align:super; ">2</span><span>和</span><span>9</span><span>×</span><span>2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.&nbsp;a</span><span style=" ‘‘; ‘‘; vertical-align:super; ">2</span><span>和</span><span>a</span><span>×</span><span>a</span><span></span><br><br><span>2.&nbsp;</span><span>摩尔春天客运电梯的载重限额是</span><span>1000</span><span>千克,那么电梯一次最多可以运送(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)个重</span><span>70</span><span>千克的人。</span><span></span><br><br><span>A.&nbsp;13&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.&nbsp;14&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.&nbsp;15&nbsp;&nbsp;</span><span></span><br><br><span>3.&nbsp;</span><span>欢欢和乐乐用</span><span>1</span><span>、</span><span>2</span><span>、</span><span>3</span><span>、</span><span>4</span><span>、</span><span>5</span><span>这五张数字卡片玩游戏,他们商定如果抽到单数乐乐赢,抽到双数欢欢赢,你认为这个游戏公平吗?(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)</span><span></span><br><br><span>A.</span><span>公平</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.</span><span>不公平</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C</span><span>不能确定</span><span></span><br><br><span style=" z-index:1; left:0px; "></span><span><o:p>&nbsp;</o:p></span><br><br><span>4.&nbsp;</span><span>圆圆从上面观察物体</span><span>&nbsp;<img src="//www.szxuexiao.com/uploadimages/2015/0126/2015126141514.png?m=0.14704955113120377">&nbsp;</span><span>,他看到的图形应该是(</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>)。</span><span></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0126/2015126141624.png?m=0.7575861297082156"><br><br><span style=" z-index:-1; left:0px; "></span><span>5.</span><span>下图中,一组平行线间有甲乙丙三个图形,其中面积最大的是</span><span>(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)</span><span>。</span></div><div><span><br></span></div><div><span>A.</span><span>甲</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.</span><span>乙</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.</span><span>丙</span><span></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0126/201512614178.png?m=0.9768021430354565"><br><br><strong><span style=" font-family:黑体; ‘‘; ‘‘; ">四、细心计算。</span><span>(共</span><span>42</span><span>分)</span></strong><span></span><br><span><br></span></div><div><span>1</span><span>.直接写出得数。(</span><span>9</span><span>分)</span><br><br><span>2.5</span><span>×</span><span>0.4=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;6.3</span><span>÷</span><span>9=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.6+0.6=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span></span><br><br><span>10.5-5=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;200</span><span>×</span><span>0.5=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;57</span><span>÷</span><span>1.9=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span></span><br><br><span>4</span><span>÷</span><span>80=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.45</span><span>÷</span><span>0.3=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.29-1.29</span><span>÷</span><span>1.29=</span><span></span><br><br><span style=" z-index:-1; left:0px; "></span><span style=" z-index:1; left:0px; "></span><span style=" z-index:1; left:0px; "></span><span>2</span><span>.算一算。(</span><span>6</span><span>分)</span><span>&nbsp;&nbsp;</span><span></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0126/2015126141756.png?m=0.1476792311295867"><br><br><span>3.&nbsp;</span><span>列竖式计算下面各题并验算。</span><span style="font-family: 楷体_GB2312; ">(</span><span style="font-family: 楷体_GB2312; ">7</span><span style="font-family: 楷体_GB2312; ">分)</span><span></span><br><br><span>22.78</span><span>÷</span><span>3.4</span><span>=</span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.58</span><span>×</span><span>2.5</span><span>=</span><span></span><br><br><span>4</span>.<span>计算下面各题,能简便运算的就简算。</span><span>(</span><span>13</span><span>分</span><span>)</span><br><br><span>36.45</span><span>×</span><span>0.8</span><span>÷</span><span>2.7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.5+&nbsp;3.25</span><span>÷</span><span>0.25&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.1</span><span>÷(</span><span>4.25</span><span>×</span><span>0.8</span><span>)</span><span></span><br><br><span>0.78</span><span>×</span><span>101&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.25</span><span>×</span><span>6.05</span><span>×</span><span>80&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.23</span><span>×</span><span>0.15+1.23</span><span>×</span><span>0.85&nbsp;</span><span></span><br><br><span>5</span><span>.解方程,第</span><span>1</span><span>小题写出检验过程。(</span><span>7</span><span>分)</span><span></span><br><br><span>÷</span><span>3=1.5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(</span><span>x</span><span>-3)=&nbsp;21&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span>&nbsp;</span><span>5</span><span>x</span><span>+3</span><span>×</span><span>0.4&nbsp;=&nbsp;4.5</span><span></span><br><br><strong><span style=" font-family:黑体; ">五、解决问题。</span><span>(</span><span>29</span><span>分)</span></strong><br><br><span>1.</span><span>地球上的陆地面积是</span><span>1.5</span><span>亿平方千米,比海洋面积少</span><span>2.1</span><span>亿平方千米,地球上的海洋面积是多少亿平方千米?</span><span>(</span><span>列方程解</span><span>)</span><br><br><span>2</span><span>.</span><span>一个玩具厂原来生产某种玩具的成本是每个</span><span>4.5</span><span>元,改进制造工艺后每个玩具成本只要</span><span>3.6</span><span>元。原来生产</span><span>400</span><span>个玩具的成本,现在可以生产多少个玩具?</span><br><br><span>3</span><span>.</span><span>东城一品的一幢大楼有</span><span>23</span><span>层,每层楼高</span><span>2.96</span><span>米,这幢大楼高约多少米?(得数保留到整十数)</span><br><br><span>4</span><span>.一辆汽车的后车窗有一块梯形的遮阳布,上底是</span><span>0.8</span><span>米,下底是</span><span>1.5</span><span>米,高是</span><span>0.8</span><span>米。如果每平方米布要</span><span>15.8</span><span>元,买这块布一共花了多少钱?</span><span>(</span><span>得数保留到“角”</span><span>)&nbsp;</span><br><br><span>5.</span><span>下面是五年级几个班的植树情况。</span></div><div><span></span><br> <table width="100%" border="1"><tbody><tr><td><br>班别<br></td><td><br>一<br></td><td><br>二<br></td><td><br>三<br></td><td><br>四<br></td><td><br>五<br></td><td><br>六<br></td></tr><tr><td><br>植树棵数<br></td><td><br>14<br></td><td><br>17<br></td><td><br>19<br></td><td><br>15<br></td><td><br>34<br></td><td><br>15<br></td></tr></tbody></table> <br><span>(</span><span>1</span><span>)分别求出这组数据的平均数和中位数。(</span><span>4</span><span>分)</span><br><br><span>(</span><span>2</span><span>)观察这组数据,有什么发现,你觉得用平均数还是中位数代表这组数据的一般情况更合适?</span><span>(</span><span>1</span><span>分)</span><span></span><br><br><br><div style="text-align: center;"><span style="font-family: 黑体;"><font color="#38761d">五年级数学期末复习试题评分意见及部分参考答案</font></span></div><br><strong><span style=" mso-fareast- letter-spacing:-; ">一、&nbsp;</span><span style=" ‘‘; ‘‘; ‘‘; letter-spacing:-; ">共</span><span style=" mso-fareast- letter-spacing:-; ">19</span><span style=" ‘‘; ‘‘; ‘‘; letter-spacing:-; ">分。</span><span style=" ‘‘; ‘‘; ‘‘; ">每空</span><span style=" mso-fareast- ">1</span><span style=" ‘‘; ‘‘; ‘‘; ">分。</span></strong></div><div><span style=" mso-fareast- "><br></span></div><div><span style=" mso-fareast- ">1.&nbsp;1370&nbsp;&nbsp;2.&nbsp;&nbsp;3.</span><span style=" mso-fareast- ">&nbsp;&nbsp;&nbsp;3.67&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" mso-fareast- "></span><br><br><span style=" mso-fareast- ">3.&nbsp;&nbsp;25+a&nbsp;&nbsp;&nbsp;&nbsp;b+130&nbsp;&nbsp;&nbsp;&nbsp;4.&nbsp;&nbsp;(1)21&nbsp;&nbsp;</span><span style=" ‘‘; ‘‘; ‘‘; ">(</span><span style=" mso-fareast- ">2</span><span style=" ‘‘; ‘‘; ‘‘; ">)</span><span style=" mso-fareast- ">10&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.&nbsp;&lt;&nbsp;&nbsp;&gt;&nbsp;&nbsp;=&nbsp;&nbsp;&nbsp;&gt;&nbsp;&nbsp;&lt;&nbsp;&nbsp;= </span><br><br><span style=" ">6.&nbsp;&nbsp;20&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;7.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;9.&nbsp;x</span><span style=" ">×</span><span style=" ">2</span><span style=" ">-</span><span style=" ">100</span><span style=" ">=</span><span style=" ">72&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.&nbsp;&nbsp;19730901&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;11.&nbsp;800</span><span style=" "></span><br><br><strong><span style=" ">二、</span><span style=" letter-spacing:-; ">共</span><span style=" letter-spacing:-; ">5</span><span style=" letter-spacing:-; ">分。</span><span style=" ">每题</span><span style=" ">1</span><span style=" ">分。</span></strong></div><div><span style=" "><br></span></div><div>1.√&nbsp;&nbsp;2.&nbsp;×&nbsp;3.&nbsp;√&nbsp;4.&nbsp;×&nbsp;5.&nbsp;√&nbsp;<br><br><strong><span style=" ">三、</span><span style=" letter-spacing:-; ">共</span><span style=" letter-spacing:-; ">5</span><span style=" letter-spacing:-; ">分。</span><span style=" ">每题</span><span style=" ">1</span><span style=" ">分。</span></strong><strong>&nbsp;</strong>&nbsp;<br><br>1.&nbsp;C&nbsp;&nbsp;&nbsp;&nbsp;2.&nbsp;B&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.&nbsp;B&nbsp;&nbsp;&nbsp;&nbsp;4.&nbsp;C&nbsp;&nbsp;&nbsp;5.&nbsp;B<br><br><strong>四、共42分。</strong><br><br>1.共9分。每题1分。<br><br>1&nbsp;&nbsp;&nbsp;&nbsp;0.7&nbsp;&nbsp;&nbsp;&nbsp;8.2&nbsp;&nbsp;&nbsp;5.5&nbsp;&nbsp;100&nbsp;&nbsp;30&nbsp;&nbsp;&nbsp;0.05&nbsp;&nbsp;&nbsp;&nbsp;1.5&nbsp;&nbsp;&nbsp;&nbsp;0.29<br><br>2.共6分。每题2分。&nbsp;&nbsp;参答:3.8&nbsp;&nbsp;&nbsp;2.1&nbsp;&nbsp;&nbsp;&nbsp;0.0336<br><br>3.共7分。&nbsp;每题3.5分:竖式2分、横式0.5,验算1分。<br><br>6.7&nbsp;&nbsp;&nbsp;&nbsp;3.95<br><br>4.共13分。&nbsp;最后一个小题3分,其余每小题2分。<br><br>10.8&nbsp;&nbsp;&nbsp;&nbsp;23.5&nbsp;&nbsp;&nbsp;&nbsp;1.5&nbsp;&nbsp;&nbsp;&nbsp;78.78&nbsp;&nbsp;&nbsp;605&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.23<br><br>5.&nbsp;共7分。检验1分,过程1.5分,结果0.5分。&nbsp; &nbsp;&nbsp;<br><br><strong>五、共29分,其中第5题5分:</strong></div><div><br></div><div>(1)题求平均数和中位数各2分,(2)题1分。<br><br>其余每小题6分:设未知数1分,列式3分,计算1分,答1分。</div><div><br>1.&nbsp;设地球上的海洋面积是亿平方千米。&nbsp;&nbsp;-&nbsp;2.1=1.5&nbsp;&nbsp;&nbsp;=3.6<br><br>2.&nbsp;设现在可以生产个。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.6=4.5×400&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=500<br><br>3. 2.96×23≈3×23=69(米)≈70米(合理就行)<br><br>4. (0.8+1.5)&nbsp;×0.8÷2×15.8=14.536(元)&nbsp;≈14.50(元)<br><br>5. (1)(14+17+19+15+34+15)÷6=19&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><br>14&nbsp;&nbsp;&nbsp;15&nbsp;&nbsp;&nbsp;15&nbsp;&nbsp;&nbsp;17&nbsp;&nbsp;&nbsp;19&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;34&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br><br>(15+17)&nbsp;÷2=16<br><br>(2)&nbsp;这组数中有一个数偏大,所以平均数偏大,用中位数表示比平均数更合适。<br><br>列综合算式或分步计算的参照给分。<br><br><font color="#ff0000">注:在本卷中,该在横式上写计算结果没写或写错的,该答没答或答错的,该带单位没带或带错的,一处扣0.5分,两处或两处以上扣1分。</font><br><br></div>