四年级下册数学同步练习-3单元4课时-因数末尾有0的乘法-苏教版
http://t.cn/Ri466E4苏教版小学数学四年级下册《三位数乘两位数》同步练习及参考答案一、填空1.一个数和25相乘的积是15000,如果这个数缩小100倍,再乘25,积变成()2.李师傅平均每天加工360个零件,一个月工作22天。一个月加工()个零件。3.如果18×24=432,那么(18÷2)×(24X2)=()。4.42与5的积是210,那么一个因数42扩大100倍后积为()二、选择题1.一长方形公园的长是2500米,宽是400米,这个公园的面积是()公顷。A.15B.100C.30D.1502.一个末尾有0的三位数与两位数相乘,积的末尾()A.一定有0B.一定没有0C.可能有...
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