0.89ᘧ࿾3⼀86怎样简便运算?

2024-11-27 04:25:20
推荐回答(1个)
回答1:

怎样简便运算?
89×3/86
=(86+3)×3/86
=86×3/86+3×3/86
=3+9/86
=3又9/86