(5+30/60)×(x+24)=6(x-24)

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(5+30/60)×(x+24)=6(x-24)
(5+30/60)×(x+24)=6(x-24)

(5+30/60)×(x+24)=6(x-24)
(5+30/60)×(x+24)=6(x-24)
(5+1/2)*(x+24)=6(x-24)
11/2*(x+24)=6(x-24)
11x+264=12x-288
11x-12x=-288-264
-x=-552
∴x=552

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 先观察下列各式,(x+5)(x+6)=x²+11x+30 (x-5)(x-6)=x²-11x+30先观察下列各式,(x+5)(x+6)=x²+11x+30(x-5)(x-6)=x²-11x+30(x-5)(x+6)=x²+x-30(x+5)(x-6)=x²-x-30(1)乘 解方程(x-2)X(x的平方-6x-9)=x(x-5)X(x-3) 5(x-6)=x+24 3/x-1=4/x 6/x+1=x+5/x(x+1) 60%x+25=40 x+30%x=52 19-120%x=7 4分之3x-5%x=17.5 x-10%x=18 (1-25%)x=36 2x+30%x=9.2 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- 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 x/(x-2)-(1-x ² )/(x ² -5x+6)=(2-x)/(x-3) 解方程,急 (X-1)(X-2)(X+2)(X+3)=60(X-1)(X-2)(X-3)(X-4)+1=0(X-5)/(X-6)+(X-8)/(X-9)=(X-7)/(X-8)+(X-6)/(X-7) 12—120%X=6 5分之3X—5%X=5.5 (1+25%)X=7.5 X—30%X=91 4%X+6%X=29.4 X+25%X=8.75 解方程.(5x/x²+x-6)+(2x-5/x²-x-12)=7x-10/x²-6x+8 求:(x-2)(x²-6x-9)-x(x-3)(x-5)其中x=三分之一.以及x²(x-1)-x(x²+x-1)其中x=二分之一的答案 解方程x(2x-5)-x(x+2)=x²-6, 5x-3(2x+1)=6x-4(5-3x)求x 5x-3(2x+1)=6x-4(5-3x)求x 2(5x-4)-3(x+6)=5(x-1)-x 求x. f(x)=x-5(X大于或等于6),f(x+2)(x