2013年深圳市小学六年级数学下学期期末考试答案(罗湖区)

<div><div style="text-align: center;"><font color="#ff0000"><span style="font-weight: bold;">深圳市小学数学六年级下册期末供题考试</span><span style="font-weight: bold;">卷</span><span style="font-weight: bold;">(</span><span style="font-weight: bold;">&nbsp;</span><span style="font-weight: bold;">201</span><span style="font-weight: bold;">3</span><span style="font-weight: bold;">.</span><span style="font-weight: bold;">07&nbsp;</span><span style="font-weight: bold;">)</span></font></div><div style="text-align: center;"><br></div><span><div style="text-align: center;">编制:蒋炼&nbsp;</div></span><br><span style=" font-weight:bold; ">一、直接写出得数。(每题0.5分,共4分)</span><span style=" font-weight:bold; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0705/201375141712.jpg?m=0.1958120441995561"><br><br><span style=" font-weight:bold; ">二、计算下面各题,能简便计算的要简便计算。(每题4分,共12分)</span><span style=" font-weight:bold; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0705/20137514205.jpg?m=0.6602337069343776"><br><br><span style=" font-weight:bold; ">三、</span><span style=" font-weight:bold; ">解方程或比例。(每题3分,共9分)</span><span style=" font-weight:bold; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2013/0705/201375142049.jpg?m=0.6048778377007693"><br><br><span style=" font-weight:bold; ">四、填空</span><span style=" font-weight:bold; ">。(每空1分,共20分)</span><span style=" font-weight:bold; "></span><br><br><span>1.(&nbsp;1900,4000&nbsp;)(&nbsp;1900.4)(&nbsp;&nbsp;1900)</span><br><br><span>2.(-4.5)</span><br><br><span>3.(&nbsp;3、9、31&nbsp;)(&nbsp;&nbsp;9、24&nbsp;&nbsp;)(&nbsp;&nbsp;3、9、24&nbsp;&nbsp;&nbsp;)</span><br><br><span>4.(&nbsp;35&nbsp;)(&nbsp;&nbsp;0.7&nbsp;)(&nbsp;&nbsp;90&nbsp;&nbsp;)&nbsp;(&nbsp;&nbsp;0.92&nbsp;)</span><br><br><span>5.(&nbsp;55&nbsp;)(&nbsp;&nbsp;9:11&nbsp;)</span><br><br><span>6.&nbsp;(反&nbsp;)&nbsp;&nbsp;(正&nbsp;&nbsp;)</span><br><br><span>7.(&nbsp;&nbsp;45&nbsp;&nbsp;&nbsp;)(28.26&nbsp;)&nbsp;&nbsp;(&nbsp;28.26&nbsp;)</span><br><br><span>8.&nbsp;(&nbsp;360&nbsp;)(120</span><span>&nbsp;</span><span>)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><br><br><span style=" font-weight:bold; ">五、</span><span style=" font-weight:bold; ">选择</span><span style=" font-weight:bold; ">正确</span><span style=" font-weight:bold; ">答案</span><span style=" font-weight:bold; ">的序号填在括号里。(每题2分,共14分)</span><span style=" font-weight:bold; "></span><br><br><span>1.C&nbsp;&nbsp;&nbsp;&nbsp;2.D&nbsp;&nbsp;&nbsp;&nbsp;3.D&nbsp;&nbsp;&nbsp;&nbsp;4.C&nbsp;&nbsp;&nbsp;5.</span><span>B</span><span>&nbsp;&nbsp;&nbsp;&nbsp;6.</span><span>&nbsp;A</span><span>&nbsp;&nbsp;&nbsp;7.</span><span>A</span><span>&nbsp;&nbsp;</span><br><br><span style=" font-weight:bold; ">六、画画、填填。(第1题6分,第2题6分,共12分)</span><br><br><span>1.(1)作图略&nbsp;&nbsp;&nbsp;(2分)&nbsp;</span><br><br><span>&nbsp;&nbsp;(2)(</span><span style=" text-decoration:underline ; ">&nbsp;&nbsp;16&nbsp;&nbsp;</span><span>,</span><span style=" text-decoration:underline ; ">&nbsp;&nbsp;</span><span style=" text-decoration:underline ; ">4&nbsp;</span><span style=" text-decoration:underline ; ">&nbsp;</span><span>)(</span><span style=" text-decoration:underline ; ">&nbsp;&nbsp;18&nbsp;&nbsp;</span><span>,</span><span style=" text-decoration:underline ; ">7</span><span style=" text-decoration:underline ; ">&nbsp;&nbsp;</span><span>)</span><span>原图纵坐标有错,没有改过来的学校以(16,5),(18,8)给分</span><span>&nbsp;&nbsp;</span><span>&nbsp;(2分)</span><br><br><span>(3)&nbsp;作图略&nbsp;&nbsp;&nbsp;(2分)</span><br><br><span>2.(&nbsp;&nbsp;北&nbsp;&nbsp;)(&nbsp;西&nbsp;&nbsp;)(&nbsp;&nbsp;&nbsp;60&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;&nbsp;1500&nbsp;&nbsp;)</span><br><br><span>&nbsp;&nbsp;(2)图上距离为:&nbsp;1250÷500=2.5厘米</span><br><br><span style=" font-weight:bold; ">七、解决问题(第4题5分,其余每题6分,共29分)</span><br><br><span>1.</span><span>&nbsp;1260</span><span>÷(1+80%)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;或:解:设梨树有X棵,苹果树则为80%X棵。</span><br><br><span>=1250÷1.8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;X+80%X=1260</span><br><br><span>=700(棵)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.8X=1250</span><br><br><span>1260-700=560(棵)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;X=700&nbsp;&nbsp;&nbsp;80%X=.8×700=560</span><br><br><span>答:略。</span><br><br><span>2.80&nbsp;÷&nbsp;5&nbsp;×1500&nbsp;&nbsp;&nbsp;或&nbsp;&nbsp;&nbsp;1500÷(5÷80)</span><br><br><span>=16×1500&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=1500÷0.0625</span><br><br><span>=24000(棵)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=24000(棵)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;答:略。</span><br><br><span>3、(1)&nbsp;(&nbsp;&nbsp;甲&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;&nbsp;(&nbsp;3&nbsp;</span><span style=" font-style:italic; ">a+3</span><span>&nbsp;</span><span style=" font-style:italic; ">b</span><span>&nbsp;&nbsp;)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)&nbsp;(&nbsp;3&nbsp;</span><span style=" font-style:italic; ">a—3</span><span>&nbsp;</span><span style=" font-style:italic; ">b</span><span>&nbsp;)</span></div><div><br></div><div>4.&nbsp;</div><div><br> <table width="100%" border="1"><tbody><tr><td><br><strong>支出项目<br></strong></td><td><strong><br>所占百分比<br></strong></td><td><strong><br>支出金额/元</strong><br></td></tr><tr><td><br>合&nbsp;&nbsp;计<br></td><td><br>——<br></td><td><br>4000<br></td></tr><tr><td><br>水电、通讯<br><br>等费用<br></td><td><br>25%<br></td><td><br>1000<br></td></tr><tr><td><br>伙食费<br></td><td><br>40%<br></td><td><br>1600<br></td></tr><tr><td><br>其他费用<br></td><td><br><br></td><td><br>1400<br></td></tr></tbody></table> <br>5.&nbsp;&nbsp;&nbsp;3.14×(8÷2)2×10<br><br><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=</span><span>3.14</span><span>×42×10</span><br><br><span>=</span><span>3.14</span><span>×16×10</span><br><br><span>=50.24×10</span><br><br><span>=502.4cm3</span><br><br><span>=502.4ml&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;502.4ml>498ml&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;答:能装下。</span><br></div><div><span><br></span></div>