1.25x7.86-1.25x7.06能不能巧算

1.25x7.86-1.25x7.06能不能巧算
2024-11-26 14:26:16
推荐回答(2个)
回答1:

1.25x7.86-1.25x7.06
=1.25x(7.86-7.06)
=1.25x0.8
=1

回答2:

=1.25*(7.86-7.06)
=1.25*0.8
=1