0.25×99脱式计算怎么写

2024-11-27 20:39:22
推荐回答(2个)
回答1:

0.27×99+0.27 =0.27×(99+1)=0.27×100 =27

回答2:

0.25x99
=0.25x(100-1)
=25-0.25
=24.75