(2根号3+3根号2)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 12:37:54
![(2根号3+3根号2)²](/uploads/image/z/5126615-71-5.jpg?t=%EF%BC%882%E6%A0%B9%E5%8F%B73%2B3%E6%A0%B9%E5%8F%B72%EF%BC%89%26%23178%3B)
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(2根号3+3根号2)²
(2根号3+3根号2)²
(2根号3+3根号2)²
(2根号3+3根号2)²
=12+12倍的根号6+18
=30+12倍的根号6
(2√3+3√2)²
=[(√2)×(√3)×(√2+√3)]²
=(√2)²×(√3)²×(√2+√3)²
=2×3×(5+2√6)
=30+12√6
望采纳,谢谢!