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5√2 +7√27+8√48=​


Răspuns :

Răspuns:

Explicație pas cu pas:

[tex]5\sqrt{2} +7\sqrt{27} +8\sqrt{48} = \\=5\sqrt{2} +7\sqrt{9*3} +8\sqrt{16*3} = \\=5\sqrt{2} +7\sqrt{9}\sqrt{3} +8\sqrt{16}\sqrt{3} = \\=5\sqrt{2} +7*3\sqrt{3} +8*4\sqrt{3} = \\=5\sqrt{2} +21\sqrt{3} +32\sqrt{3} =\\= 5\sqrt{2} +53\sqrt{3}[/tex]