已知实数a,b满足ab=3,a-b=2,求代数式-2⼀3a^4b^3+2⼀3a^3b^4的值?

2024-12-30 15:32:43
推荐回答(1个)
回答1:

解:原式=-2/3(ab)^3(a-b)
=-2/3(3)^3×2
=-2/3×27×2
=-36