(+) ⋅ 7 = 20 ⋅ 7 + 8 ⋅ 7 = 28
(+) ⋅ 9 = 10 ⋅ 9 + 9 ⋅ 9 = 21
(40 + 6) ⋅= 40 ⋅ 8 + 6 = 40
По-мойму верно
Поделитесь своими знаниями, ответьте на вопрос:
Применяя распределительное свойство умножения, вставь пропущенные числа. (+) ⋅ 7 = 20 ⋅ 7 + 8 ⋅ 7 =(+) ⋅ 9 = 10 ⋅ 9 + 9 ⋅ 9 =(40 + 6) ⋅= 40 ⋅ 8 + 6 ⋅=(40
(+) ⋅ 7 = 20 ⋅ 7 + 8 ⋅ 7 = 28
(+) ⋅ 9 = 10 ⋅ 9 + 9 ⋅ 9 = 21
(40 + 6) ⋅= 40 ⋅ 8 + 6 = 40
По-мойму верно