(10-x)/x=x/(15-x)
1个回答
(10-X)(15-X)=X^2
150-25X=0
X=6
相关问题
(X+10)/15*(X-15)=2X-10 X=?
25x X 5 +15x X 10 +12x X 15 =7280
x*x-(x-15)(x-10)=1725
1/5(x+15)=1/2-1/3(x-7) 6(X+15)=15-10(X-7) 6X+90=15-10X+70 6X
15X+15(10+X)=900
20+10%x=80 2x+30%x=9.2 x-15%x=37.4 15+10%x=18
因式分解 -5x³+10x²-15x
10%x+60%(15—x)=30%×15.求X
X/15 + X/12 + X/10 = 1365,求X,
解方程 20+10%x=80 2X+30%X=9.2 X-15%X=37.4 15+10%X=18