Виконай множення:
1) 72 ⋅ (–5);
2) –42 ⋅ 13;
3) –4,9 ⋅ (–2,8);
4) 5,01 ⋅ (–4,7).
Розв'язок:
1) 72 ⋅ (-5) = -360
2) -42 ⋅ 13 = -546
3) -4,9 ⋅ (-2,8) = 13,72
4) 5,01 ⋅ (-4,7) = -23,547
