(根号2+根号3)²×(5-2倍根号6)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 22:10:48
![(根号2+根号3)²×(5-2倍根号6)](/uploads/image/z/1344600-0-0.jpg?t=%28%E6%A0%B9%E5%8F%B72%2B%E6%A0%B9%E5%8F%B73%29%26%23178%3B%C3%97%285-2%E5%80%8D%E6%A0%B9%E5%8F%B76%29)
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(根号2+根号3)²×(5-2倍根号6)
(根号2+根号3)²×(5-2倍根号6)
(根号2+根号3)²×(5-2倍根号6)
(根号2+根号3)²×(5-2倍根号6)
= (2+3+2根号2×根号3)×(5-2倍根号6)
=(5+2倍根号6)× (5-2倍根号6)
=25-24
=1
等于1{5的平方减2倍根号6平方)