10/x+15/(x+15)=2/3分式方程,怎么解,
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10/x+15/(x+15)=2/3分式方程,怎么解,
10/x+15/(x+15)=2/3分式方程,怎么解,
10/x+15/(x+15)=2/3分式方程,怎么解,
10×(x+15)/x(x+15)+15x/x(x+15)=2/3
[10×(x+15)+15x]/x(x+15)=2/3
(10x+150+15x)/x(x+15)=2/3
(25x+150)/(x²+15x)=2/3
2x²+30x=75x+450
2x²-45x-450=0
x=(45±根号5625)/4
x1=30
x2=-7.5
0除以乙数,求甲,乙二数.