<div style="text-align: center;"><strong><font color="#ff0000">2017年小学毕业试卷</font></strong></div><div style="text-align: center;"><font color="#ff0000"><br></font></div><strong><div style="text-align: center;"><strong><font color="#ff0000">数 学</font></strong></div></strong><div style="text-align: center;"><br></div><span><div style="text-align: center;">（完成时间：80分钟 总分：100分）</div></span><div><br></div><div><strong>注 意 事 项</strong><strong></strong><br><br>1．本试卷共4页，满分为100分，考试时间为90分钟。<br><br>2．答题前，请将姓名、考试证号用0.5毫米黑色字迹签字笔填写在本卷和答题卡指定位置。<br><br>3．答案全部涂、写在答题卡上，写在本卷上无效。考试结束后，请将本卷和答题卡一并交回。<br></div><div><br><strong><span>一．直接写得数。（</span></strong><strong><span>每</span></strong><strong><span>题</span></strong><strong><span>1</span></strong><strong><span>分，</span></strong><strong><span>共</span></strong><strong><span>8</span></strong><strong><span>分</span></strong><strong><span>）</span></strong><br><br><img src="//www.szxuexiao.com/uploadimages/2017/0815/2017815142317.png?m=0.25214440669488236"><br><br><strong><span>二．下面各题，能简便计算的用简便方法计算。（</span></strong><strong><span>每</span></strong><strong><span>题</span></strong><strong><span>2</span></strong><strong><span>分，</span></strong><strong><span>共12</span></strong><strong><span>分</span></strong><strong><span>）</span></strong><strong></strong><br><br><img src="//www.szxuexiao.com/uploadimages/2017/0815/201781514246.png?m=0.35663911969477446"><br><br><strong><span>三．求未知数</span></strong><strong><span>。（</span></strong><strong><span>每</span></strong><strong><span>题</span></strong><strong><span>2</span></strong><strong><span>分，</span></strong><strong><span>共</span></strong><strong><span>6</span></strong><strong><span>分</span></strong><strong><span>）</span></strong><strong></strong><br><br><img src="//www.szxuexiao.com/uploadimages/2017/0815/2017815142444.png?m=0.512773171102207"><br><br><strong><span>四．填空题。（</span></strong><strong><span>每空1分</span></strong><strong><span>，</span></strong><strong><span>共</span></strong><strong><span>20</span></strong><strong><span>分</span></strong><strong><span>）</span></strong><strong></strong><br><br><strong><span>1．</span></strong><span>钓鱼岛及周边附属岛礁是中国固有领土，总面积约是</span><span style="text-decoration:underline"><span>六千三百四十四万五千</span></span><span>平方米。横线上的数写作（ ）平方米，省略“万”位后面的尾数约是（ ）平方米。</span><br><br><strong><span>2．</span></strong><span>（ ）米的2/3</span><span>是</span><span>24</span><span>米</span></div><div><span><br></span></div><div><span>12</span><span>吨比（</span><span> </span><span>）吨少</span><span>25%</span><br><br><strong><span>3</span></strong><strong><span>．</span></strong><span>（ ）÷15=6</span><span>:</span><span>10=15/( )</span><span>=（ ）% </span><br><br><strong><span>4．5/9</span></strong><span>的分数单位是（ ），它至少再加上（ ）个这样的分数单位可以成为假分数。</span><br><br><strong><span>5．</span></strong><span>一件商品原件120元，现在打七折出售，比原来便宜（ ）元。</span><br><br><strong><span>6．</span></strong><span>有3/2</span><span>吨煤，第一次运走1/4</span><span>，第二次运走1/4</span><span>吨，第二次运的是第一次的（ ）（填分数）。</span><br><br><strong><span>7</span></strong><strong><span>．</span></strong><span>如果a*b/10=1</span><span>（a,b</span><span>均不为</span><span>0</span><span>），那么a</span><span>和b</span><span>成（ ）比例。</span><br><br><strong><span>8．</span></strong><span>某班男生人数占全班人数的5/12</span><span>，女生人数比男生多（ ）</span><span>%</span><span>。</span><br><br><strong><span>9．</span></strong><span>是两个不为零的自然数，并且a-1=b</span><span>，那么（a</span><span>，b</span><span>）=（ ），[a</span><span>，b</span><span>]=（ ）。</span><br><br><strong><span>10．</span></strong><span>把6个棱长1厘米的正方形拼成一个长方体，表面积最少是（ ）平方厘米。</span><br><br><strong><span>11</span></strong><strong><span>．</span></strong><span>把一个底面直径是4厘米，高为5厘米的圆柱切拼成一个近似的长方体，这个长方体的体积是（ ）立方厘米，表面积比圆柱增加了（ ）平方厘米。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2017/0815/2017815142823.png?m=0.24930758139930997"><br><br><strong><span>1</span></strong><strong><span>2</span></strong><strong><span>．</span></strong><span>把一边长20厘米的正方形拉成平行四边形后，它的面积减少80平方厘米，这个平行四边形的高是（ ）厘米。</span><br><br><strong><span>13．</span></strong><span>如右图，一个大长方形被两条线段分成3个小长方形，如果其中图形A、B、C的面积分别是1平方厘米、2平方厘米、3平方厘米，那么阴影部分的面积是（ ）平方厘米。</span><br><br><img src="//www.szxuexiao.com/uploadimages/2017/0815/2017815142859.png?m=0.768678151389931"><br><br><strong><span>五．判断题。（</span></strong><strong><span>每</span></strong><strong><span>题1</span></strong><strong><span>分，</span></strong><strong><span>共5</span></strong><strong><span>分</span></strong><strong><span>）</span></strong><strong></strong><br><br><strong><span>1．</span></strong><span>长方形只有绕着长或宽旋转一周才能形成圆柱。 （ ）</span><br><br><strong><span>2．</span></strong><span>钟面上9</span><span>:</span><span>30，时针和分针形成一个95度的钝角</span><span>。 （ ）</span><br><br><strong><span>3</span></strong><strong><span>．</span></strong><span>一个长</span><span>2</span><span>毫米的零件画在图纸上长是</span><span>1</span><span>分米，这张图纸的比例尺是</span><span>1</span><span>:</span><span>50</span><span>。</span><span>（ ）</span><br><br><strong><span>4</span></strong><strong><span>．</span></strong><span>甲班人数的</span><span>60%</span><span>比乙班人数的</span><span>60%</span><span>多，甲班总人数一定比乙班总人数多。</span><span>（ ）</span><br><br><strong><span>5</span></strong><strong><span>．</span></strong><span>三角形中最大的角一定不小于</span><span>60</span><span>度。</span><span>（ ）</span><br><br><strong><span>六．选择题。（</span></strong><strong><span>每</span></strong><strong><span>题1</span></strong><strong><span>分，</span></strong><strong><span>共5</span></strong><strong><span>分</span></strong><strong><span>）</span></strong><strong></strong><br><br><strong><span>1．</span></strong><span>某小学今年一年级招收新生556人，按每班</span><span>45</span><span>～</span><span>50人计算，至少要安排</span><span>（ ）个班级。</span><br><br><span>A</span><span>．</span><span>11</span><strong><span> </span></strong><span>B</span><span>．</span><span>12</span><strong><span> </span></strong><span>C</span><span>．</span><span>13</span><br><br><strong><span>2．</span></strong><span>马戏团小猴表演骑独轮车走钢丝，车轮的直径是40厘米，要骑过31</span><span>.</span><span>4米的钢丝，</span><span>车轮要转动（ ）圈。</span><br><br><span>A．</span><span>25</span><strong><span> </span></strong><span>B．</span><span>30</span><strong><span> </span></strong><span>C．</span><span>50</span><br><br><strong><span>3．</span></strong><span>下面说法中，不正确的是（ ）。</span><br><br><span>A</span><span>．</span><span>两个质数相乘，所得的积一定是合数；</span><br><br><span>B</span><span>．</span><span>正方体体积一定，底面积和高成反比例；</span><br><br><span>C</span><span>．</span><span>50千克盐水中含盐2千克，这种盐水中盐与水质量的比是1</span><span>:</span><span>25。</span><strong></strong><br><br><strong><span>4．</span></strong><span>便民水果店购进了8千克樱桃，卖掉</span><span>。下列说法中，错误的是</span><span>（ ）。</span><br><br><span>A</span><span>．</span><span>还剩1/5</span><span> </span><span>B</span><span>．</span><span>还剩1千克的8/5</span><br><br><span>C</span><span>．</span><span>剩下与卖掉比是4</span><span>:</span><span>1 </span><span>D</span><span>．</span><span>卖掉6</span><span>.</span><span>4千克</span><br><br><strong><span>5．</span></strong><span>某移动公司的手机市话原收费标准每分钟降低了</span><em><span>m</span></em><span>元后，再次下调了25%，</span><span>现在的收费标准是每分钟</span><em><span>n</span></em><span>元，则原收费标准每分钟</span><span>（ </span><span> </span><span> ）</span><span>。</span></div><div><br></div><div><img src="//www.szxuexiao.com/uploadimages/2017/0815/2017815143152.png?m=0.05853351087525405"><br><br><strong><span>六．操作题。（</span></strong><strong><span>第1</span></strong><strong><span>～</span></strong><strong><span>2每题1分</span></strong><strong><span>，</span></strong><strong><span>3</span></strong><strong><span>～</span></strong><strong><span>6</span></strong><strong><span>每</span></strong><strong><span>题2</span></strong><strong><span>分</span></strong><strong><span>，共</span></strong><strong><span>10</span></strong><strong><span>分</span></strong><strong><span>）</span></strong><strong></strong><br><br><img src="//www.szxuexiao.com/uploadimages/2017/0815/2017815143232.png?m=0.33388850595871156"><br><br><strong><span>1．</span></strong><span>画出将圆</span><em><span>O</span></em><span>向上平移5格后的图形。</span><br><br><strong><span>2．</span></strong><span>画出点E到直线</span><span>的距离。</span><br><br><strong><span>3．</span></strong><span>画一个圆，使正方形的四个顶点落在圆周上，那么圆的面积是（ ）平方厘米。</span><br><br><span>（提示：用含有字母的式子表示，图中小方格的边长为</span><span>厘米。）</span><br><br><strong><span>4．</span></strong><span>把梯形绕P点顺时针方向旋转90度，再把原梯形按照1</span><span>:</span><span>2缩小，缩小后的P点位置为（19</span><span>,</span><span>3）。</span><br><br><strong><span>5．</span></strong><span>描出A（16</span><span>,</span><span>9），B（19</span><span>,</span><span>9），C（18</span><span>,</span><span>7）三点并顺次连接，然后过A点作BC边上的高。</span><br><br><strong><span>6．</span></strong><span>以A点为观测点，那么C点在A点的（ ）偏（ ）方向。</span><br><br><strong><span>七．解决问题。（第</span></strong><strong><span>1</span></strong><strong><span>题8分，第</span></strong><strong><span>2～5</span></strong><strong><span>题</span></strong><strong><span>每题4分，6</span></strong><strong><span>～</span></strong><strong><span>7题每题5分</span></strong><strong><span>，</span></strong><strong><span>共34</span></strong><strong><span>分）</span></strong><strong></strong><br><br><strong><span>1</span></strong><strong><span>．</span></strong><span>只列式不计算。</span><br><br><span>（1）5月1日这一天，五星商场上午卖出3台空调，下午又卖出同样的空调5台，下午比上午多收入7200元，每台空调多少元？</span><br><br><span style="text-decoration:underline"><span> </span></span><span>。</span><br><br><span>（2）学校建综合楼，实际投资120万元，节约了20万元，节约了百分之几？</span><br><br><span style="text-decoration:underline"><span> </span></span><span>。</span><br><br><span>（3）妈妈在银行存了5000元，定期两年，年利率是2</span><span>.</span><span>35%，到期共可取回多少元？</span><br><br><span style="text-decoration:underline"><span> </span></span><span>。</span><br><br><span>（4）配制一种药液，药粉与水的比是1</span><span>:</span><span>30，配制500克药液需水多少克？</span><br><br><span style="text-decoration:underline"><span> </span></span><span>。</span><br><br><strong><span>2．</span></strong><span>水果店运来苹果1200千克，运来的梨比苹果多</span>1/3<span>，运来的梨比苹果多多少千克？</span><br><br><strong><span>3</span></strong><strong><span>．</span></strong><span>妈妈花</span><span>300</span><span>元给小红买了一套衣服，上衣的价格是裤子的</span><span>1</span><span>.</span><span>5</span><span>倍，上衣和裤子各多少元？</span><span>（用方程解）</span><br><br><strong><span>4</span></strong><strong><span>．</span></strong><span>儿童节前夕，学校安排两名教师带领42名留守儿童去公园划船，租10只船正好坐满，已知每只大船坐5人，每只小船坐3人，小船和大船各租了几只？</span><br><br><strong><span>5．</span></strong><span>甲、乙两地</span><span>恰好在一条笔直的公路上，它们的中点是一个加油站。</span><span>一辆汽车以每小时</span><span>80</span><span>千米的速度从甲地开往乙地，行了</span><span>4</span><span>5</span><span>分钟时，距离</span><span>加油站1</span><span>5千米，求甲乙两地公路长多少千米？</span><br><br><strong><span>6．</span></strong><span>王大爷把今年收的小麦靠仓库两面墙的墙角堆放，底面是一个半径2米的扇形。高度是1</span><span>.</span><span>2米，那么这堆小麦的体积是多少立方米？</span><br><br><img src="//www.szxuexiao.com/uploadimages/2017/0815/2017815143357.png?m=0.9049812576320053"><br><br><strong><span>7．</span></strong><span>白纸上画有奥运五环图案，图案是由相互交叉的五个圆环组成的（如图），图案的面积为119平方厘米，图案中相互交叉的部分是8个相同的曲边四边形（斜线部分），如果要求每个小曲边四边形的面积，还需要知道每个圆环中大圆和小圆的半径各是多少，如果大圆和小圆的半径是两个连续的非零自然数（单位：厘米），那么满足条件的大圆和小圆的半径</span><strong><span>最小值</span></strong><span>是多少？</span><br><br><span>（1）大圆半径最小值是（ ）厘米。</span><br><br><span>（2）小圆半径最小值是（ ）厘米</span><br><br><span>（3）请尝试通过计算求出此时每个小曲边四边形的面积。（计算时</span><span>取</span><span>3</span><span>）</span><br><br><img src="//www.szxuexiao.com/uploadimages/2017/0815/2017815143435.png?m=0.8361189329247667"><br><br></div>
六年级下