问题标题:
用乘法分配律简算:8.88×9+777×0.04
问题描述:

用乘法分配律简算:8.88×9+777×0.04

陈淼波回答:
  8.88×9+777×0.04   =1.11x8x9+1.11x700x0.04   =1.11x72+1.11x28   =1.11x(72+28)   =1.11x100   =111
查看更多
数学推荐
热门数学推荐