方程|x+1|+|x+99|+|x+7|=1997
解方程(x²-x+4)x-(x-1)(x²+2)=x+7
解方程:2x+4x+6x...+100x=1-(x+3x+5x+...+99x)
x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)谁会解这道方程题
分式方程.x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)
x/(x-2)+(x+9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)怎样解这道方程
解方程:x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)
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
解方程 x+2/x+1+x+8/x+7=x+6/x+5+x+4/x+3
x-1\x-2+x-6\x-7=x-2\x-3+x-5\x-6 分式方程
解方程:x/3+x/15+x/35+x/63+x/99=1
解方程 7/x²+x+6/1-x²=1/x-x²