Задание 42

Найдите значение выражения:
а) 16× (1 4 ) 28× (1 2 ) 4;
б) 3× (1 5 ) 2+16× (1 4 ) 2;
в) 18× (1 3 ) 215× (2 5 ) 2.

Answers

а) 16× (1 4 ) 28× (1 2 ) 4 = 16× (1 16 )8× (1 4 ) = 1 1 2 = 1 2;

б)3× (1 5 ) 2+16× (1 4 ) 2 = 3×1 25+16×1 16 = 3 25 + 1 = 1,12;

в)18× (1 3 ) 215× (2 5 ) 2 = 18×1 915×4 25 = 2 2,4 = 0.4.

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2021-07-10 00:00
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