Вычислите: ((70 − 42) + (7 + 15) / 2) / 2

19
18,5
19,5
20

📝 Detailed explanation

Выполним действия: 1) 70 − 42 = 28; 2) (7 + 15) / 2 = 11; 3) Числитель: 28 + 11 = 39; 4) Результат: 39 / 2 = 19,5.

4 / 10 (40%)

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