5. Вставь в примеры на умножение пропущенные числа. 5 × 1 = 1 × 5 = □; 5 × 5 = 5 × 5 = □□; 5 × 6 = 6 × 5 = □□; 5 × 0 = 0 × 5 = □; 5 × 4 = 4 × 5 = □□; 5 × 10 = 10 × 5 = □□; 5 × 2 = 2 × 5 = □□; 5 × 9 = 9 × 5 = □□; 5 × 7 = 7 × 5 = □□; 5 × 8 = 8 × 5 = □□; 5 × 3 = 3 × 5 = □□. Также: 5 × □ = □ × 5 = 5; 5 × □ = □ × 5 = 45; 5 × □ = □ × 5 = 0; 5 × □ = □ × 5 = 25; 5 × □ = □ × 5 = 35; 5 × □ = □ × 5 = 30; 5 × □ = □ × 5 = 40; 5 × □ = □ × 5 = 10; 5 × □ = □ × 5 = 20; 5 × □ = □ × 5 = 15; 5 × □□ = □□ × 5 = 50.

Используем переместительное свойство умножения: множители можно поменять местами. Вычисляем произведения, а в правой части находим множитель делением результата на 5.

5 × 1 = 1 × 5 = 5
5 × 5 = 5 × 5 = 25
5 × 6 = 6 × 5 = 30
5 × 0 = 0 × 5 = 0
5 × 4 = 4 × 5 = 20
5 × 10 = 10 × 5 = 50
5 × 2 = 2 × 5 = 10
5 × 9 = 9 × 5 = 45
5 × 7 = 7 × 5 = 35
5 × 8 = 8 × 5 = 40
5 × 3 = 3 × 5 = 15

5 × 1 = 1 × 5 = 5
5 × 9 = 9 × 5 = 45
5 × 0 = 0 × 5 = 0
5 × 5 = 5 × 5 = 25
5 × 7 = 7 × 5 = 35
5 × 6 = 6 × 5 = 30
5 × 8 = 8 × 5 = 40
5 × 2 = 2 × 5 = 10
5 × 4 = 4 × 5 = 20
5 × 3 = 3 × 5 = 15
5 × 10 = 10 × 5 = 50