[(a-b)/(-3a^2b)]^2计算
问题描述:
[(a-b)/(-3a^2b)]^2计算
答
=(a-b)²/(-3a²b)²
=(a²-2ab+b²)/9a^4b²
[(a-b)/(-3a^2b)]^2计算
=(a-b)²/(-3a²b)²
=(a²-2ab+b²)/9a^4b²