(X+0.08)×0.1÷2=0.24(X是几?)
52+2X=3X-1x是几
x/(x-3)-2/(x+3)=1【x等于几
如果(x-a)(x+0.5)=x^2-0.25,那么x等于几
(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)
当x=2,(x-x²-5)-(2x²+7x-3)等于几
y等于x+x的x次方+(x的x次方)的x次方,他的导数是几,
如果|x|=2,那么x一定是2吗?如果|x|=0那么x等于几?如果x=-x,那么x等于几?
2x+(x-3)5=36 x等于几啊
几道数学题:x-x^2分之x^2-1×1-y分之xy-x,(xy-x^2)÷xy分之x-y,x^2+x分之x-3÷(x^
求解几道方程.1/2x-20+1/2【x-(1/2x-20)】+20=x-50 x/(200-400/3)+x/(200
50+60+70+80+90+100+110=( )x( )得数是几乘以几?
X=y 求x等于几(阿拉伯数字)