x乘以y等于几

x乘以y等于几 5x乘以5y等于几 (x-y)的2次方乘以(y-x)的7次方等于几? x、y等于几 若2x+y=3,则4的x方乘以2的y次方的积等于几? x平方乘以y平方等于多少 x等于几Y等于几 1x乘以2x等于几x 2X乘以2X等于几X 2X乘以2X等于几X x乘以x得1.44求x等于几? 已知y=a乘以x的五次方+b乘以x的三次方+c乘以x 当x=-3时,x=7 那么当x=3时,y等于几? (x-y)的三次方乘以(x-y)的二次方乘以(y-x) 等于多少 (x-y)乘以(y-x)的3次方等于多少 （x+y-z）乘以（x-y-z）等于? （x-y-z）乘以（z-x+y）等于? XXX乘以XX乘以X等于152 625,问：X等于几? 5x乘以5x等于几急