四点4×0点二五简便计算

四点4×0点二五简便计算
2024-11-29 23:35:50
推荐回答(2个)
回答1:


望丛旅采野旁纳谢谢颂郑橡

回答2:

4.4×0.25
=(4+0.4)×0.25
=4×0.25+0.4×0.25
=1+0.1
=1.1