(根号2+根号3)²×(5-2倍根号6)
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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)
= (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)
(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)