如何用简便方法计算888x99÷666?

2024-11-18 01:43:27
推荐回答(2个)
回答(1):

=111x8x99/(6x111)
=2x4x3x
33/6
=4x33
=132

回答(2):

=111x8x33x3/111/3/2

=8x33/2
=33x4
=132