(X+6)/7=2+1/7*[X-(X+6)/7-2]等于几,
(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几?
(X+6)/7=2+1/7*[X-(X+6)/7-2]等于几,
x+2x+3x+4x+5x+6x+7x+8x+9x=9x-8x-7x-6x-5x-4x-3x-2x-x.x等于多少?
(x-3)分之x-(x^2-3x)分之(x+6)+x分之1等于几?
15-(7-5x)=2x+(11-3x)求x等于几
x+2x-3x-4x+5x+6x-7x.-196x+197x+198x-199x-200x 等于多少
X+A=35 x=A×(9+5×7-6+2-10) x和A等于几
当x=2,(x-x²-5)-(2x²+7x-3)等于几
X/6-1=X/10+I,X等于几
x+1=x+2 x等于几?
int x=2; x*7.2/x+1 等于几
3x+1=5x+2=7x+4=13x+6 求x等于多少?