1、4、9、16、x、36、49 x=( )x是几
X是4和9的比例中项,X=几
52+2X=3X-1x是几
(x+2)/x(x-2)-(x-1)/x²-4x+4=几,
(x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几?
(1) x-3/x-2 - x-5/x-4=x-7/x-6 - x-9/x-8
(2+1)x(2²+1)x(2^4+1)x(2^8+1)x...x(2^32+1)等于几(^是几的几次方)
x*x+2x+x*x+10x+x*x+25+2x+x*x+1+1+16+x*x+4x*x+9-12x+16x*x+4-1
X的平方+X+1=8,那么,4X的平方+4X+9等于几
x/(x-3)-2/(x+3)=1【x等于几
1、x*(x+3)*(x+6)*(x+9)=68040 2、x*(x+1)*(x+2)*(x+3)*(x+4)=5544
几道分式方程的题解方程:1/(x-1)(X-2)=1/(X-4)(X-5)X/(X-1) -(X-1)/(X-2)=(x
2x-(7-3x)/5=4-6x与2mx-(3x-5)/4=2-(5x-1)/6同解.m是几?