3/5x-1/6=2/3 2x+0.8=4 0.4x(x-1.2)=1.2 10/9x-1/3x=21 3/4x-1/2

学习时间:2026-04-03 12:04:19 阅读：9842

3/5x-1/6=2/3 2x+0.8=4 0.4x(x-1.2)=1.2 10/9x-1/3x=21 3/4x-1/2=1/4 5(x-2.8)=140 x-3/7x=8/213/5x-1/6=2/3 2x+0.8=40.4x(x-1.2)=1.210/9x-1/3x=213/4x-1/2=1/4 5(x-2.8)=140x-3/7x=8/21方程和计算

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满意的戒指

2026-04-03 12:04:19

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3/5x-1/6=2/3 2x+0。8=43/5x-1/6+1/6=2/3 +1/6 2x=4-0。83/5x=2/3 +1/6 x=1。6 3/5x=5/6 3/5x÷3/5=5/6÷3/5x=1/20。4x(x-1。2)=1。2x-1。2=3x=3+1。2x=4。210/9x-1/3x=21x=21x9/7x=273/4x-1/2=1/4 3/4x-1/2+1/2=1/4+1/2 3/4x=3/4x=15(x-2。8)=140x-2。8=140÷5x-2。8=28x=30。8x-3/7x=8/214/7x=8/214/7x÷4/7=8/21÷4/7x=2/3

3/5x-1/6=2/3 2x+0.8=4 0.4x(x-1.2)=1.2 10/9x-1/3x=21 3/4x-1/2

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