2014年秋季小学五年级数学小数乘法综合练习题

<div style="text-align: center;"><strong><font color="#ff0000">2014年秋季小学五年级数学小数乘法综合练习(一)</font></strong></div><div><br></div><br><span><strong>一、竖式计算。(得数保留两位小数)</strong></span><br><br><span>8.5×0.39&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.145×10.4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.87×1.9&nbsp;&nbsp;&nbsp;</span><br><br><span><strong>二、计算(能简算的要简算)</strong></span><br><br><span>36.7×2.1+10.8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8.45-0.45×0&nbsp;.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.73×102</span><br><br><span>7.8×5.6+2.3X94.4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.25×9.87×4</span>&nbsp;<br><br><strong><span>三、</span><span>列式计算:</span></strong><br><br><span>1.25乘4.2减5,差是多少&nbsp;?</span><br><br><span>3.5与1.9的差的1.25倍是多少?</span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">小数乘法综合练习(二)</font></strong></div><br><span><strong>一、竖式计算。(得数精确到百分位)</strong></span><br><br><span>0.38×0.25&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10.5×0.12&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.403×2.3</span><br><br><span><strong>二、计算(能简算的要简算)</strong></span><br><br><span>0.39×199&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(&nbsp;12.5-1.25)×8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.6×6.5-5.6×5.5</span><br><br><span>3.65×10.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;56.5×99+56.5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;56.5×99</span><br><br><div><strong>三、列式计算:</strong><br><br><span>(1)28.8与1.5的积减去12.5,差是多少?</span><br><br><span>(2)50.4的1.9倍比1.8多多少?</span><br>&nbsp;<br><br><div style="text-align: center;"><strong><font color="#38761d">小数乘法综合练习(三)</font></strong></div><br><span><strong>一、列式计算:</strong></span><br><br><span>(1)31.8减去2.4的1.5倍是多少?</span><br><br><span>(2)6.2乘以13.4与10.4的差,积是多少?</span><br><br><span><strong>二、简便运算。</strong></span><br><br><span>3.42</span><span>×</span><span>10.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.6</span><span>×</span><span>75</span><span>×</span><span>1.25&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4.75+99</span><span>×</span><span>4.75</span><br><br><span><strong>三、解决问题</strong></span><br><br><span>商店运来14筐苹果,每筐35.8千克,卖了400千克,还剩多少千克?</span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">小数乘法综合练习(四)</font></strong></div><br><span><strong>一、列式计算:</strong></span><br><br><span>(1)4.8乘19.7与3.3的和,积是多少?</span><br><br><span>(2)50减去24个0.5,差是多少?</span><br><br><strong><span>二、</span><span>简便运算:</span></strong><br><br><span>1.25</span><span>×</span><span>8.4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.67</span><span>×</span><span>101-5.67&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.5</span><span>×</span><span>0.8X0.4</span><span>×</span><span>1.25</span><br><br><span><strong>三、解决问题</strong></span><br><br><span>学校食堂的面积是100平方米。用边长0.8的正方形地砖铺地,150块够吗?(不考虑损耗)</span><br><span><o:p>&nbsp;</o:p></span><br><br><div style="text-align: center;"><strong><font color="#38761d">小数乘法综合练习(五)</font></strong></div><br><span><strong>一、列式计算:</strong></span><br><br><span>(1)4个1.25相加的和比10少多少?</span><br><br><span>(2)3.5与4.5的和的2.05倍是多少?</span><br><br><strong><span>二、</span><span>简便运算:</span></strong><br><br><span>9.8</span><span>×</span><span>2.5&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.8</span><span>×</span><span>9.9+0.1</span><span>×</span><span>3.8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3.42</span><span>×</span><span>99+3.42</span><br><br><span><strong>三、解决问题</strong></span><br><br><span>A市的出租车在3千米以内收费10元,超过3千米后,每千米加收1.5元。李丽从家到学校有6.3千米,她坐出租车要付多少钱?</span><br><br><br><div style="text-align: center;"><strong><font color="#38761d">小数乘法综合练习(六)</font></strong></div><br><span><strong>一、列式计算:</strong></span><br><br><span>(1)8.8加1.2的5倍,和是多少?</span><br><br><span>(2)5个2.4相加的和比7.5多多少?</span><br><br><strong><span>二、</span><span>简便运算:</span></strong><br><br><span>3.45×</span><span>102&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2.5&nbsp;</span><span>×</span><span>44&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;0.46&nbsp;</span><span>×</span><span>101-0.46</span><br><br><span><strong>三、解决问题</strong></span><br><br><span>1、先填表,再解决问题</span></div><div><br> <table width="100%" border="1"><tbody><tr><td><br>商品<br></td><td><br>单价<br></td><td><br>数量<br></td><td><br>总价(元)<br></td></tr><tr><td><br>牙膏<br></td><td><br>4.60元/盒<br></td><td><br>2盒<br></td><td><br><o:p>&nbsp;</o:p><br></td></tr><tr><td><br>鸡蛋<br></td><td><br>5.80元/&nbsp;kg<br></td><td><br>5kg<br></td><td><br><o:p>&nbsp;</o:p><br></td></tr><tr><td><br>面包<br></td><td><br>1.55元/个<br></td><td><br>4个<br></td><td><br><o:p>&nbsp;</o:p><br></td></tr></tbody></table> <br><span>妈妈带50元钱买这些东西够吗?</span><br><br></div>