(1)(-ab)³ (2)(x²y³)⁴ (4)(-2a³y⁴)³ (5)[(-3m³n²)³]²

问题描述:

(1)(-ab)³ (2)(x²y³)⁴ (4)(-2a³y⁴)³ (5)[(-3m³n²)³]²

(1)(-ab)³=(-1)³a³b³=-a³b³(2)(x²y³)⁴=(x²)⁴(y³)⁴=x^8 y^12(4)(-2a³y⁴)³=(-2)³(a³)³(y⁴)³=...