3x-7(x-1)=3-2(x+3)4x+3(2x-3)=12-(x+4)2(10-0.5y)=-(1.5y+2)4/3-8x=3-11/12x3x+5/2=2x-1/31/6(3x-6)=2/5x-31-2x/3=3x+1/7-36(1/2x-4)+2x=7-(1/3x-1)今晚做出

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3x-7(x-1)=3-2(x+3)4x+3(2x-3)=12-(x+4)2(10-0.5y)=-(1.5y+2)4/3-8x=3-11/12x3x+5/2=2x-1/31/6(3x-6)=2/5x-31-2x/3=3x+1/7-36(1/2x-4)+2x=7-(1/3x-1)今晚做出
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3x-7(x-1)=3-2(x+3)4x+3(2x-3)=12-(x+4)2(10-0.5y)=-(1.5y+2)4/3-8x=3-11/12x3x+5/2=2x-1/31/6(3x-6)=2/5x-31-2x/3=3x+1/7-36(1/2x-4)+2x=7-(1/3x-1)今晚做出
3x-7(x-1)=3-2(x+3)
4x+3(2x-3)=12-(x+4)
2(10-0.5y)=-(1.5y+2)
4/3-8x=3-11/12x
3x+5/2=2x-1/3
1/6(3x-6)=2/5x-3
1-2x/3=3x+1/7-3
6(1/2x-4)+2x=7-(1/3x-1)
今晚做出

3x-7(x-1)=3-2(x+3)4x+3(2x-3)=12-(x+4)2(10-0.5y)=-(1.5y+2)4/3-8x=3-11/12x3x+5/2=2x-1/31/6(3x-6)=2/5x-31-2x/3=3x+1/7-36(1/2x-4)+2x=7-(1/3x-1)今晚做出
1.3X-7X+7=3-2X-6
-2X+10=0
2X=10
X=5

*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X || 解九宫格题目(X为未知数)9 X 2 X 7 X 8 X XX X 4 X X 9 X 6 X1 3 X 5 X X X X 24 X X 8 5 X X 1 XX 8 9 4 X 1 6 7 XX 1 X X 3 6 X X 88 X X X X 2 X 3 6X 5 X 6 X X 9 X XX X 7 X 4 X 2 X 1 解下列方程!就三道!解下列方程.1、x/x-2 - 1-x²/x²-5x = 2x/x-3(x/x-2 - 1-x²不是一起的!)2、5x/x²+x-6 - 5-2x/x²-x-12=7x-10/x²-6x+8(5x/x²+x-6 - 5-2x不是一起的!)3、x-4/x-5 + x-8/x-9=x-7/x- 解方程:(x-8)/(x-3)-(x-9)/(x-4)=(x+7)/(x+8)-(x+2)/(x+3) 请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360 x+2/x+1-x+4/x+3=x+6/x+5-x+8/x+7 x=? 填九宫格帮帮忙.x x 6 x x 7 x x 98 x x x 3 x 1 x x 9 x x 6 x 5 x 3 x x x 3 x x x x 1 8x x x 9 x 1 x x x2 1 x x x x 6 x x x 6 x 7 x 3 x x 1 x x 9 x 2 x x x 47 x x 8 x x 5 x x (X-3分之x-1-x分之x-4)除以x的平方+3x分之(x+3)(x-2),其中(x-1)(x-2)=0 求一个数独答案X X X 9 X X X 8 2 X 6 3 X X 1 4 X 99 X 8 X X X X X XX X X 6 7 X 3 X XX 4 6 X 5 X 2 9 XX X 7 X 2 3 X X XX X X X X X 7 X 17 X 4 3 X X 6 2 X6 3 X X X 7 X X X x+5/x+1-3x-3/x+5=8x+28/x^2+4X-5-2(x+5)/(x+1)-(3x-3)/(x+5)=(8x+28)/(x^2+4X-5)-2 (1)(2x/x-1)-(x-1/x)=1 (2)(x^2-4x/x^2-1)+1=2x/x+1 (3)(x+4/x^2+2x)-(1/x+2)=(2/x)+1 (1)(2x/x-1)-(x-1/x)=1 (2)(x^2-4x/x^2-1)+1=2x/x+1 (3)(x+4/x^2+2x)-(1/x+2)=(2/x)+1 (1)X-3/X-1+X²-2/(x-1)(X-7)=1+x-5/x-7 (2)2x-1/x+4-5=96/x²-16-1-3x/4-x (1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8(2) 已知x+3/(x-2)^2=A/x-2 + B/(x-2)^2 ,求A和B的值. 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 方程 3x(7-2x)+5x(2x-1)=4x(x-3)+56 2x-6/4-4x+x^2/(x+2)*x^2-4/3-x,其中x=-1 (x+2分之3x-x+2分之x)/x平方-4分之x(x-1)=4