Question

Найдите значение выражения 5√27 - 3√12

Answer 1

1) V 27 = V ( 9 * 3 ) = 3 V 3 
2) 5 V 27 = ( 5 * 3 ) V 3 = 15 V 3 
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3) V 12 = V ( 4 * 3 ) = 2 V 3 
4) 3 V 12 = ( 3 * 2 ) V 3 = 6 V 3 
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5) 15 V 3 - 6 V 3 = 9 V 3 
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Ответ 9  V 3