(1)16-3x=2x-6(2)7(x-1.2)=5x-7.6

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(1)16-3x=2x-6(2)7(x-1.2)=5x-7.6(1)16-3x=2x-6(2)7(x-1.2)=5x-7.6(1)16-3x=2x-6(2)7(x-1.2)=5x-7.6x=32/5x

(1)16-3x=2x-6(2)7(x-1.2)=5x-7.6
(1)16-3x=2x-6(2)7(x-1.2)=5x-7.6

(1)16-3x=2x-6(2)7(x-1.2)=5x-7.6
x=32/5 x=0.4

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 *-----------------------------------------------*| 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- 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 matlab解数值分析题p=(x-1)*(x-2)*(x-3)*(x-4)*(x-5)*(x-6)*(x-7)*(x-8)*(x-9)*(x-10)*(x-11)*(x-12)*(x-13)*(x-14)*(x-15)*(x-16)*(x-17)*(x-18)*(x-19)*(x-20)解为1,2,3……,20取多个非常小的数用软件工具求解方程p(x)+n*x^19=0,并 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=? (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. 分解因式;(x-3)(x-7)+16 ;(x^2+2x-1)(x^2+2x-2)-6 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 (1)6+2(x-3)=X (2)8-2(x-7)=x-(x-4) (3)2x-(1.5x-1)=2(1.5x-1) 3X立方-【X立方+(6X平方-7X)】-2(X立方-3X平方-4X),其中X=-1 2x-6/4-4x+x^2/(x+2)*x^2-4/3-x,其中x=-1 先化简再求值3x³-[x³+(6x²-7x)]-2(x³-3x²-4x),其中x=-1 x+1分之x+2减去x+3分之x+4=x+5分之x+6减去X+7分之x+8 (解方程) (x-2)(x²-6x-9)-x(x²-2x-15),其中x=1/3 x/(x-2)-(1-x ² )/(x ² -5x+6)=(2-x)/(x-3) 解方程,急