Завдання:
(Усно.) Обчисли:
1) 7,13 ⋅ (–10);
2) –0,1 ⋅ (–4,42);
3) –1,8 ⋅ (–100);
4) 12,7 ⋅ (–0,01).
Розв'язок:
1) 7,13 ⋅ (-10) = -71,3
2) -0,1 ⋅ (-4,42) = 0,442
3) -1,8 ⋅ (-100) = 180
4) 12,7 ⋅ (-0,01) = -0,127
(Усно.) Обчисли:
1) 7,13 ⋅ (–10);
2) –0,1 ⋅ (–4,42);
3) –1,8 ⋅ (–100);
4) 12,7 ⋅ (–0,01).
1) 7,13 ⋅ (-10) = -71,3
2) -0,1 ⋅ (-4,42) = 0,442
3) -1,8 ⋅ (-100) = 180
4) 12,7 ⋅ (-0,01) = -0,127