Question

化简求值：（a+b/2ab²)³÷（a²-b²／ab³）²·

Answer 1

[(a+b)/2ab²]³/[(a²-b²)/ab³]/[1/2(a-b)]²=[(a+b)/2ab²]³ * [ab³/(a+b)(a-b)] * 4(a-b)²=(a-b)(a+b)²/2a²b³