解方程(1)3⼀4x+1⼀2x=9⼀4(2)4⼀5x×〔1⼀2+0.4〕=4.32

2024-12-17 16:46:00
推荐回答(2个)
回答1:

(1)3/4x+1/2x=9/4
5x/4=9/4
x=9/5

(2)4/5x×〔1/2+0.4〕=4.32
4x/5=4.32÷0.9
x=4.8X5/4
x=6

回答2:

x=9/5
解析:
(3/4)x+(1/2)x=9/4
(5/4)x=9/4
x=9/5