2x+1x等于几

2x+1x等于几 3分之1等于2x-1 x等于几 0x等于1,x等于几 1x乘以2x等于几x x+1=x+2 x等于几? X-1=2X,问x等于几? int x=2; x*7.2/x+1 等于几 x-3分之2-4x+1分之5=1 等于几x等于几 (x+2y-1)²等于几? in(x+1)等于几,e^x等于几 1乘x等于几 1 x 0等于几 (X+Y)^2等于几 (x-1)(x-2)(x-3)(x-4)=(x+5)(x+6)(x+7)求X等于几? x+1等于二分之一x-1 X等于几 x+1除以x-1等于3,x等于几? 4-3x等于x+1 x等于几 ：x除以2y等于100x x等于几?