7⼀2×5⼀8-3⼀2÷8⼀5的简便计算

7/2×5/8-3/2÷8/5的简便计算
2025-04-30 14:43:39
推荐回答(1个)
回答1:

7/2×5/8-3/2÷8/5
=7/2x5/8-3/2x5/8
=35/16-15/16
=20/16
=5/4
=1.25