一点23-1点23×0点八,怎么简便运算?

2025-12-13 03:20:36
推荐回答(3个)
回答1:

1.23-1.23*0.8
=1.23*(1-0.8)
=1.23*0.2
=0.246

回答2:

1.23x(1一0.8)=l1.23×O.2=0.246

回答3:

=1.23×(1-0.8)
=1.23×0.2
=0.246