Question

（-3x²y³）⁴•（-

2

3

xy²）²=______．

Answer 1

（-3x²y³）⁴•（-

2

3

xy²）²，
=81x⁸y¹²•

4

9

x²y⁴，
=36x¹⁰y¹⁶．
故應填36x¹⁰y¹⁶．