五乘八分之五减三乘八分之五的简便运算

2025-12-14 22:27:18
推荐回答(5个)
回答1:

5×5/8-3×5/8=
(5-3)×5/8=
2 ×5/8=1.25

回答2:

是(5-3)×5/8=2×5/8=5/4

回答3:

5×5/8-3×5/8
=5/8×(5-3)
=5/8×2
=1又1/4

回答4:

5×5/8一3X5/8
=5/8x(5一3)
=5/8Ⅹ2
二5/4

回答5:

5️×5/8-3×5/8
=(5-3)×5/8
=5/4