(2x-3)-2(5x-1)?化简

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(2x-3)-2(5x-1)?化简
(2x-3)-2(5x-1)?化简

(2x-3)-2(5x-1)?化简
 

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 化简:x(2x+1)-x(x-3) (-2x平方+3x)-[5x-(2x平方+1)-x平方] 化简 计算(x*x+4x+5)/(x+2)-(x*x+6x+10)/(x+3)+1 化简(x+2)(x的平方-6x-9)-(x-5)(x-3)x *-----------------------------------------------*| 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 || x(x平方-1)+2X平方(X+1)-3X(2X-5)帮个忙 化简 x(x-1)+2x(x+1)-3x(2x-5)x(x-1)+2x(x+1)-3x(2x-5) 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 ①3a(5a-2b) ②(x-3y) ×(-6x) ③化简x(x-1)+2x(x+1)-3x(2x-5) ①(x+2)(x+3)②(X-4)(x+1) 化简(-2x^2)+3x+2)-3(7x^2-5x-1)-(4x^2-x+6) 化简1/(x+1)(x+2)+1/(x+2)(x+3)+1/(x+3)(x+4)+1/(x+4)(x+5) 化简:(题目如下)(x+1)(x+2)分之一+(x+2)(x+3)分之一+(x+3)(x+4)分之一+(x+4)(x+5)分之一 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- 请问这道题咋做 :(x)X (x+1) X (x+2) X (x+3) =360 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 [(2x+6)/(x^2-4x+4)]×[(x-2)/(x^2+3x)]-1/x-2化简! 1.(1/X-1 )-2=X^-3X/X^-12.(X/X+1)^+5(X/X+1)+6=03.(8(X^+2X)/X^-1)+ 3(X^-1)/X^+2x