计算 {-(a²/b)}²÷{-(a/b²)}³×(1/ab)^4
问题描述:
计算 {-(a²/b)}²÷{-(a/b²)}³×(1/ab)^4
答
=[a^4/b^2]÷[-a^3/b^6]×[1/a^4b^4]
= —a^(4-3-4)b^[-2-(-6)-4]
=—a^(-3)b^0
=—a^(-3)