Toán Lớp 9: √5+ 2 √6 tất cả trong căn nữa
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Toán Lớp 9: √5+ 2 √6 tất cả trong căn nữa
Comments ( 2 )
=\sqrt{3+2\sqrt{3*2}+2
=\sqrt{(\sqrt{3}+\sqrt{2})^2}
=|\sqrt{3}+\sqrt{2}|
=\sqrt{3}+\sqrt{2}