Завдання:
Виконай множення:
1) 16 ⋅ 15;
2) –16 ⋅ 15;
3) –16 ⋅ (–15);
4) 16 ⋅ (–15).
Розв'язок:
1) 16 ⋅ 15 = 240
2) -16 ⋅ 15 = -240
3) -16 ⋅ (-15) = 240
4) 16 ⋅ (-15) = -240
Виконай множення:
1) 16 ⋅ 15;
2) –16 ⋅ 15;
3) –16 ⋅ (–15);
4) 16 ⋅ (–15).
1) 16 ⋅ 15 = 240
2) -16 ⋅ 15 = -240
3) -16 ⋅ (-15) = 240
4) 16 ⋅ (-15) = -240
