括号5⼀16+2⼀25括号乘8+9⼀25等于多少?

2025-06-23 02:55:29
推荐回答(1个)
回答1:

(5/16+2/25)x8+9/25
=5/16x8+2/25x8+9/25
=5/2+16/25+9/25
=5/2+1
=7/2