巧算1.25*6.78 12.5*7 125*0.0322

2024-12-18 18:32:29
推荐回答(1个)
回答1:

巧算
1.25*6.78+12.5*7+125*0.0322
=1.25*6.78+1.25*70+1.25*3.22
=1.25*(6.78+70+3.22)
=1.25*80
=100