5ox0.28xo.4的简便运算

5ox0.28xo.4的简便运算
2024-12-02 05:41:05
推荐回答(3个)
回答1:

5.6

解析:

50×0.28×0.4
=(50×0.4)×0.28
=20×0.28
=5.6

回答2:


见图

回答3:

=(50x0.4)x0.28
=20x0.28
=5.6