99分之64乘100怎么用简便计算

2025-12-06 01:30:42
推荐回答(2个)
回答1:

64/99 x100
=64/99x(99+1)
=64/99x99+64/99
=64+64/99
=64又64/99

回答2:

64/99*100=6400/99