六道解方程4×（0.8-x）=1.45+2/3x-1/2x=1210x+9=8x+19115%x+15%x=1.32x-

学习时间:2026-04-07 22:25:39 阅读：4860

六道解方程4×（0.8-x）=1.45+2/3x-1/2x=1210x+9=8x+19115%x+15%x=1.32x-1.6×5=127×（23-x）=41+3x

冷艳的路灯

2026-04-07 22:25:39

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题目太多了请分开求助,我好多赚点采纳数哈:) 多谢啦4×（0。8-x）=1。40。8-x = 1。4 ÷4 = 0。35x = 0。8 -0。35 = 0。455+2/3x-1/2x=12(2/3x-1/2x)=12 -5(4-3)x /6 = 7x = 6x7 = 42