4×21×25本题可以用简便方法脱式计算?

2025-03-26 18:54:26
推荐回答(3个)
回答1:

脱式计算过程方法如下
解:4×21×25
=4×25×21
=100×21
=2100

回答2:

4×21×25
=4×25×21
=100×21
=2100
望采纳,谢谢啦

回答3:

=4×25×21
=100×21
=2100