159. 83 * 56 549 - 375 + 24 * 3 42 * 70 : 60

Решим данные примеры: 1. $$83 \times 56$$: * $$83 \times 6 = 498$$ * $$83 \times 50 = 4150$$ * $$498 + 4150 = 4648$$ * Ответ: **4648** 2. $$549 - 375 + 24 \times 3$$: * $$24 \times 3 = 72$$ * $$549 - 375 = 174$$ * $$174 + 72 = 246$$ * Ответ: **246** 3. $$42 \times 70 : 60$$: * $$42 \times 70 = 2940$$ * $$2940 : 60 = 49$$ * Ответ: **49**