根号里(5+2根号6)如何化简

2025-04-08 02:11:50
推荐回答(1个)
回答1:

解:√(5+2√6)
=√(2+2√6+3)
=√[(√2)²+2×√2×√3+(√3)²]
=√[(√2+√3)²
=|√2+√3|
=√2+√3