<div><div style="text-align: center;"><strong><font color="#ff0000">小学六年级数学分数除法单元练习题</font></strong></div><br><span style=" font-weight:bold; ">一．填空题。17分</span><span style=" font-weight:bold; "></span><br><br><span>1、16÷2/3</span><span>表示（ ）。2/3</span><span>÷16表示（ ）。</span><br><br><span>2、9/16</span><span>千克是3/4</span><span>千克的（ ），（ ）米的5/7</span><span>是50米。</span><br><br><span>3、8/9</span><span>千克大豆可以榨油1/3</span><span>千克，1千克大豆能榨油（ ）千克，要榨1千克油需要（ ）千克大豆。</span><br><br><span>4、一个数的4/7</span><ruby><rp>)</rp></ruby><span>是</span><span>28</span><span>，这个数是（</span><span> </span><span> </span><span> </span><span>）。5/7</span><span>里包含（ ）个5/21</span><span>。</span><br><br><span>5、实际比计划增产1/10</span><span>，以（ ）为单位“1”，实际比计划增的是（ ）的1/10</span><span>，实际的是（ ）的（ ）倍。</span><br><br><span>6、在○里填上＞、＜或＝。</span><span> 9/10</span><ruby><rp>)</rp></ruby><span>÷1/6</span><ruby><rp>)</rp></ruby><span>○9/10</span><ruby><rp>)</rp></ruby><span> 3/8</span><ruby><rp>)</rp></ruby><span>÷</span><span>6</span><span>○3/8</span><span> </span><span> 3/4</span><ruby><rp>)</rp></ruby><span>÷1/2</span><ruby><rp>)</rp></ruby><span>○3/4</span><ruby><rp>)</rp></ruby><span>×</span><span>2</span><br><br><span>7、甲数是30，乙数是甲数的3/5</span><span>，乙数是（ ）</span><br><br><span>8、乙数是18，正好是甲数的3/5</span><span>，甲数是（ ）</span><br><br><span style=" font-weight:bold; ">二．</span><span style=" font-weight:bold; ">计算题：</span></div><div><span><br></span></div><div><span>1、口算：8分</span><br><br><span style=" font-weight:bold; ">6÷4/9</span><span style=" font-weight:bold; "> 9÷3/14</span><span style=" font-weight:bold; "> 32÷8/35</span><span style=" font-weight:bold; "> 11/26</span><span style=" font-weight:bold; ">÷22/39</span><span style=" font-weight:bold; "></span><br><br><span style=" font-weight:bold; ">5/24÷25/36</span><span style=" font-weight:bold; "> 24/25</span><span style=" font-weight:bold; ">÷4/5</span><span style=" font-weight:bold; "> 25/56</span><span style=" font-weight:bold; ">÷15/42</span><span style=" font-weight:bold; "> 27/38</span><span style=" font-weight:bold; ">÷2/57</span><span style=" font-weight:bold; "></span><br><br><span>2、计算：6分</span></div><div><span><br></span></div><div><strong><span>3/4÷7/8</span><span>÷15/14</span><span> </span><span>（4/9</span><span>＋2/15</span><span>）÷</span>2/15 3/20÷0.2×2/3</strong></div><div><br><span>3、解方程：（6分）</span></div><div><span><br></span></div><div><strong><span>x</span><span>×（1+1/4</span><span>）</span><span>＝250</span><span> (7/18)</span><span>x</span><span>+(3/4)</span><span>x</span><span>＝123/2</span><span> (3/4)</span>x÷1/6＝18</strong><br><br><span style=" font-weight:bold; ">三．选择： 4分</span><span style=" font-weight:bold; "></span><br><br><span>1、28除以14/15</span><span>的商（ ）28乘14/15</span><span>的积。</span></div><div><span><br></span></div><div><span>A 大于 B 小于 C 等于 D 无法比较</span><br><br><span>2、9÷3/4</span><span>可以表示为（ ） </span></div><div><span><br></span></div><div><span>A 9÷4×3 B 9×3÷4 C 9÷3×4 D 9÷3÷4</span><br><br><span>3、小红的邮票除以4/5</span><span>与小明相等，那么小红的邮票（ ）小明。 </span></div><div><span><br></span></div><div><span>A 多于 B 少于 C 等于 D 无法比较</span><br><br><span>4、12÷3/4</span><span>与12×4/3</span><span>相比（ ） </span></div><div><span><br></span></div><div><span>A 意义相同 B 结果相同 C 结果和意义相同 </span><br><br><span style=" font-weight:bold; ">四、</span><span style=" font-weight:bold; ">列式计算： 4分</span><br><br><span>①3/4</span><span>是15/16</span><span>的几分之几？</span></div><div><span><br></span></div><div><span>一个数的5/8</span><span>是45，这个数是多少？</span><br><br><span style=" font-weight:bold; ">五、</span><span style=" font-weight:bold; ">应用题：每小题5分共55分</span><span style=" font-weight:bold; "></span><br><br><span>1、一个人血液占体重的1/13</span><span>。小明体内血液约4千克，他的体重约多少千克？</span><br><br><span>2、修一条公路，已修了2/5</span><span>，剩下的比已修的多300米，这条公路有多长</span><span>？</span><br><br><span>3、王叔叔3/4</span><span>小时做了450个零件，他1小时能做多少个零件？</span><br><br><span>4、口算比赛，小明做对了9/10</span><span>，正好54题。小明做对多少题？</span><br><br><span>5、甲乙两地相隔216千米，一辆汽车从甲地开往乙地，行了全程的5/8</span><span>，离乙地还有多远</span><span>？</span><br><br><span>6、一批货物120吨，3/4</span><span>小时运走了它的1/4</span><span>。平均每小时运多少吨？</span><br><br><span>7、把3/4</span><span>升果汁灌装到1/8</span><span>升的小瓶里，可以装多少瓶？</span><br><br><span>8、一批水果，苹果是梨的5/6</span><span>，梨又是香蕉的2/3</span><span>。苹果150千克，香蕉多少千克？</span><br><br><span>9、长方体的体积2/7</span><span>立方米，长3/4</span><span>米，宽1/10</span><span>米，高多少米？</span><br><br><span>10、商店有120辆电瓶车，第一天卖出总数的1/8</span><span>，第二天卖出的比第一天的2/3</span><span>多10辆。第二天卖出多少辆？</span><br><br><span>11、芳芳从一楼走到三楼要6/11</span><span>分钟。照这样计算，她从一楼走到六楼要多少分钟？</span><br></div><div><span><br></span></div>
六年级上