(2倍根号5+3倍根号3)平方*(2倍根号5-3倍根号3)

2024-12-03 01:35:34
推荐回答(1个)
回答1:

(2倍根号5+3倍根号3)×(2倍根号5+3倍根号3)×(2倍根号5-3倍根号3)
=(2倍根号5+3倍根号3)×(20-27)
=-14倍根号5-21倍根号3