简便计算,(8⼀7+3⼀2-2⼀1)x24答案9

2025-06-27 07:09:42
推荐回答(1个)
回答1:

(8/7+3/2-2/1)x24
=8/7×24+3/2×24-2/1x24
=21+16-12
=25