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Matematika
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1 Jawaban
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1. Jawaban AmirahFathimah
8. √(27-2√162) - √(33+√800)
-> 162 = 81 dikali 2
= 9^2 dikali 2
√162 = 9 √2
2√162 = 2(9 √2) = 18 √2
= √(27-18 √2) - √(33+√800)
-> 800 = 100 x 4 x 2
= 10^2 x 2^2 x 2
√800 = 10 x 2 √2 = 20 √2
= √(27-18 √2) - √(33+20 √2)