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= √5 x x 5 x 5 - 3√3 + √2 x 5 x 5
= 5√5 - 3√3 + 5√2
atau bila di desimalkan
5√5 - 3√3 + 5√2
= 5 x 2,2 - 3 x 1,7 + 5 x 1,4
= 11 - 5,1 + 7
= 12,9
catatan
√5 = 2,2
√3 = 1,7
√2 = 1,4
semoga membantu, maaf kalau salah