0.32*78%+1.32*22% 脱式计算
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/06/28 12:09:37
0.32*78%+1.32*22% 脱式计算
![0.32*78%+1.32*22% 脱式计算](/uploads/image/z/5764033-1-3.jpg?t=0.32%2A78%25%2B1.32%2A22%25+%E8%84%B1%E5%BC%8F%E8%AE%A1%E7%AE%97)
0.32×78%+1.32×22%
=0.32×78%+(1+0.32)×22%
=0.32×78%+1×22% +0.32×22%
=0.32×(78%+22% )+0.22
=0.32+0.22
=0.54
=0.32×78%+(1+0.32)×22%
=0.32×78%+1×22% +0.32×22%
=0.32×(78%+22% )+0.22
=0.32+0.22
=0.54