(0.2x-0.1)/0.6-(0.5x+0.1)/0.4=1
解方程
(0.2x-0.1)/0.6-(0.5x+0.1)/0.4=1
解方程
(0.2x-0.1)/0.6-(0.5x+0.1)/0.4=1
2(0.2x-0.1)-3(0.5x+0.1)=1.2
0.4x-0.2-1.5x-0.3=1.2
-1.1x-0.5=1.2
-1.1x=1.7
x=-17/11
(0.2x-0.1)/0.6-(0.5x+0.1)/0.4=1
(0.2x-0.1)/6-(0.5x+0.1)/4=10
1.2x-0.6-2x-0.4=10
0.8x=10+1
0.8x=11
x=13.75
(0.2x-0.1)/0.6-(0.5x+0.1)/0.4=1
(2X-1)/6-(5X+1)/4=10
x/3-5/4X-1/6-1/4=10
4X/12-15X/12=10+4/24+6/24
-22X/24=250/24
X= -125/11