0.6x-0.3=2.7 2(4-x)=0.8 4x+3×0.7=6.5 解方程
0.6x-0.3=2.7 2(4-x)=0.8 4x+3×0.7=6.5 解方程
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解分式方程3/x-1+4x/1-x^2=-1/x+1
解方程 x(2x-4)+3x(x-1)=5x(x-3)+8
解指数方程解方程:2x+2-2-x+3=0解方程:4x+4-x-2x-2-x=0 解方程:2x+1-3×2-x+5=0
解方程(x-2)/(x-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
解方程:4(x+0.3)=4.8 3*0.7+4x=6.5 5.5x-1.3x=12.6
解方程.3(x+2)=4(x+1) 0.8x-0.6x+1.6x=5.4 8:5+x/4=4