解方程: 16*(x+10/9*x)=36*(1-1/9) 9/20x+42=1.2 *11/20x
解方程:x(x-1)/1+x(x+1)/1…+(x+9)(x+10)/1=11?12
1/x(x+1)+1/(x+1)(x+2)+...+1/(x+9)(x+10)=1/(x+10),解方程
解方程5题3x+7x=9x+84x-3(20-x)=6x-7(11-x)2x+(x-1/3)=1-(x-2/5)3x+2
解方程:x/(x-2)+(x-9)/(x-7)=(x+1)/(x-1)+(x-8)/(x-6)
解方程X-1/5X=24 X-1/8X=42 X-1/9X=64
解方程:(1)16x-40=9x+16 (2)4x=20/3x+16 (3)2(3-x)=-4(x+5)
解方程.x-4/5x=20 2/3x+1/2x=49 75+7/10x=102 2x+9/2=12
解方程:x-1/x+2 +9/(x+2)(x-1)=3/x-1
解方程:2x+9/x+3 - 1/x-3 = 5 - 3x-2/x
解方程:1.2x/2x-1+x/x-2=2 2.1/2x+3+1/3-2x=4x/4x²-9
解方程:1/[x(x+1)]+1/(x+1)(x+2)+1/(x+2)(x+3)+.+1/(x+9)(x+10)=5/1
⒈ 解方程 (X+7)/(X+6)+(X+9)/(X+8)=(X+10)/(X+9)+(X+6)/(X+5)