Завдання:
Подай у вигляді суми добуток:
1) 472 ⋅ 3;
2) 5432 ⋅ 2;
3) b ⋅ 7;
4) т ⋅ 4.
Розв'язок:
1) 472 ⋅ 3 = 472 + 472 + 472;
2) 5432 ⋅ 2 = 5432 + 5432;
3) b ⋅ 7 = b + b + b + b + b + b + b;
4) т ⋅ 4 = m + m + m + m.
Подай у вигляді суми добуток:
1) 472 ⋅ 3;
2) 5432 ⋅ 2;
3) b ⋅ 7;
4) т ⋅ 4.
1) 472 ⋅ 3 = 472 + 472 + 472;
2) 5432 ⋅ 2 = 5432 + 5432;
3) b ⋅ 7 = b + b + b + b + b + b + b;
4) т ⋅ 4 = m + m + m + m.