12.5ᘧ࿾99 等于多少?

2025-06-28 19:16:21
推荐回答(2个)
回答1:

12.5✖️99
=12.5x(100-1)
=12.5x100-12.5
=1250-12.5
=1237.5

回答2:

12.5x99=12.5x100-12.5x1=1250-12.5=1237.5