解方程1.8-8x/1.2-1.3-3x/2-5x-0.4/0.31.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0

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解方程1.8-8x/1.2-1.3-3x/2-5x-0.4/0.31.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0解方程1.8-8x/1.2-1.3-3x/2-5x-0.4/0.31.

解方程1.8-8x/1.2-1.3-3x/2-5x-0.4/0.31.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0
解方程1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3
1.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0

解方程1.8-8x/1.2-1.3-3x/2-5x-0.4/0.31.8-8x/1.2-1.3-3x/2-5x-0.4/0.3=0
原式整理为:0.5-(16x+3.6x+12x)/2.4=0,1.2=31.6x ,
∴x=3/79.