2.5ᘧ࿾0.6-1.8ᘧ࿾0.5的简便运算?

2024-11-17 01:35:21
推荐回答(2个)
回答1:

=2.5x0.6-1.8x0.5
=2.5x0.6-0.6x3x0.5
=0.6x(2.5-1.5)
=0.6

回答2:

直接算即可
2.5×0.6-1.8×0.5
=1.5-0.9
=0.6