125×9×8减125×90用,简便方法怎么计算?

2025-03-18 18:10:45
推荐回答(2个)
回答1:

125×9×8-125×90
=125×(72-90)
=125×(-8)+125×(-10)
=-1000-1250
=-2250

回答2:

=125×(9*8-90)
=125*(-8)
=-200