方程 0.6(x+4)+0.8=1.2x+0.58 11x+42-2x=100-9x-22
方程 0.6(x+4)+0.8=1.2x+0.58 11x+42-2x=100-9x-22
解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
六道解方程4×(0.8-x)=1.45+2/3x-1/2x=1210x+9=8x+19115%x+15%x=1.32x-
解方程.4x=42(x+2) 4x=4.3(x-9)
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
解方程:(x+3)/(x+2)-(x+5)/(x+4)=(x+7)/(x+6)-(x+9)/(x+8)
解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)
解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3)
解方程48-8X=4(X-2) 9(X-8)=11X-8(X-2)
x+4x+8=4x+11 x(2x-4)=5-8x解方程急!
解方程,6x+3/2x=9 2x-4/3x=1/2x+9/2=12 x-0.8x=22
解方程(x/x(x+2))+(x/(x+2)(x+4))+.+x/(x+8)(x+10)=1