解方程.3/2:X=5/6 14X÷3=7/2
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解方程.3/2:X=5/614X÷3=7/2解方程.3/2:X=5/614X÷3=7/2解方程.3/2:X=5/614X÷3=7/2
解方程.3/2:X=5/6 14X÷3=7/2
解方程.3/2:X=5/6 14X÷3=7/2
解方程.3/2:X=5/6 14X÷3=7/2
解方程x/(x-2)=2x/(x-3)+(1-x)/(x-5x+6)
解方程.3/2:X=5/6 14X÷3=7/2
解方程 x-0.4x=0.3 3x+x+1.8=5 2(x+1)=解方程x-0.4x=0.3 3x+x+1.8=5 2(x+1)=6
解方程:(x-2)(x^2-6x-9)=x(x-5)(x-3)
1x+2x+3x+4x+5x+6x+7x+8x+9x+10x+11x+12x+13x+14x+15x=550必须用解方程
解方程3x(5-3x)-36=2x(7-2x)+5x(8-x)
x÷2﹢2.125=3x方程解
解方程3x^2-2x-6=0
解方程:(x-2)(x+3)=6
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)
解方程5X:(7X+15)=2:3
解方程(x+1/x+2)-(x+2/x+3)=(x+5/x+6)-(x+6/x+7)
解方程:x+2/x+1-x+3/x+2=x+6/x+5-x+7/x+6
解分式方程:(x+1)/(x+2)+(x+6)/(x+7)=(x+2)/(x+3)+(x+5)/(x+6)
解分式方程: (x-1)/(x-2)+(x-6)/(x-7)=(x-2)/(x-3)+(x-5)/(x-6)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)