25.2乘以3.4加上252乘以0.66的简便方法

25.2乘以3.4加上252乘以0.66的简便方法
2025-04-24 15:26:42
推荐回答(1个)
回答1:

=252×0.34+252×0.66
=252×(0.34+0.66)
=252×1=252