已知2x－2y=1／8,xy=2.求2x∨4y³-x³y∨4的值同上..

已知2x－2y=1／8,xy=2.求2x∨4y³-x³y∨4的值
同上..

∵2x－2y=1／8
∴x-y=1/16
xy=2
2x∨4y³-x³y∨4
=x³y³(x-y)
=(xy)³(x-y)
=2³×1/16
=8×1/16
=1/2