4.28*99怎么算才最简便
问题描述:
4.28*99怎么算才最简便
答
4.28*99
=4.28*(100-1)
=428-4.28
=423.72
4.28*99怎么算才最简便
4.28*99
=4.28*(100-1)
=428-4.28
=423.72