3.26*5.7-32.6*7简便计算,速求!!

2025-04-13 18:01:37
推荐回答(2个)
回答1:

原式
=3.26×5.7-3.26×0.7
=3.26×(5.7-0.7)
=3.26×5
=16.3

回答2:

=3.26*5.7-3.26*10*7
=3.26*(5.7-70)
=3.26*-64.3
=-209.618