Завдання:
Виконай дії:
1) –280 : (–4) + 7 ⋅ (–3);
2) 120 : (–6) – (–18) : 2.
Розв'язок:
1) -280 : (-4) + 7 ⋅ (-3) = 70 + (-21) = 49
2) 120 : (-6) – (-18) : 2 = -20 – (-9) = -20 + 9 = -11
Виконай дії:
1) –280 : (–4) + 7 ⋅ (–3);
2) 120 : (–6) – (–18) : 2.
1) -280 : (-4) + 7 ⋅ (-3) = 70 + (-21) = 49
2) 120 : (-6) – (-18) : 2 = -20 – (-9) = -20 + 9 = -11
