Перепишите, заполняя пропуски:
а) … ⋅ (15 + 12) = 5 ⋅ 15 + 5 ⋅ 12
б) 12 · (… + …) = 12 ⋅ 7 + 12 · 8
в) … ⋅ (… + …) = 14 ⋅ 15 + 14 ⋅ 29
Ответ
а) 5 ⋅ (15 + 12) = 5 ⋅ 15 + 5 ⋅ 12
б) 12 · (7 + 8) = 12 ⋅ 7 + 12 · 8
в) 14 ⋅ (15 + 29) = 14 ⋅ 15 + 14 ⋅ 29