(2x-25)/(3x-48)=3/4解方程我是五年级的最好讲清楚,要不看不懂!如果很用心,

解方程:x-2x+3x-4x+...+99x-100x=25 解方程：x-2x+3x-4x+.+99x-100x=25 一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X x-2x+3x-4x+5x.+99x-100x=25求解 (x-1)(x-2)(x-3)(x-4)=48 解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3) 解方程】(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3)(x+8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3) 解方程(x+1/x-1)+(x-2/x+2)+(x-3/x+3)+(x+4/x-4)=4 请大神帮我解这个数独 题,我解了很久 了 ,最后 X X X X 3 X 1 5 XX X X X 7 8 6 X 92 9 X X X X X X 7X X X X 6 X 2 X 3X 1 3 7 2 9 4 8 X4 X 2 X 8 X X X X3 X X X X X X 6 48 X 6 3 9 X X X X X 7 1 X 4 X X X X 解方程：(x+3)/(x+2)-(x+4)/(x+3)=(x+5)/(x+4)-(x+2)/(x+1) 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-3)-(x-3)/(x-4)=(x-5)/(x-6)-(x-6)/(x-7) 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+1) - (x+4)/(x+3)=(x+6)/(x+5)-(x+8)/(x+7) 解方程 x(2x-4)+3x(x-1)=5x(x-3)+8 x-2x+3x-4x+...+99x-100x=25 解方程x（x-1)(x-2)(x-3)(x-4)=24x=?