Краткое пояснение: Для составления верных равенств необходимо вычислить значения выражений и сопоставить их.
- Вычислим значение каждого выражения:
- 32 ⋅ 40 + 32 ⋅ 6 = 1280 + 192 = 1472
- 23 ⋅ 50 + 23 ⋅ 4 = 1150 + 92 = 1242
- 54 ⋅ 23 = 1242
- 46 ⋅ 30 + 46 ⋅ 2 = 1380 + 92 = 1472
- 46 ⋅ 32 = 1472
- 54 ⋅ 20 + 5 = 1080 + 5 = 1085
- Составим верные равенства на основе вычисленных значений:
- 32 ⋅ 40 + 32 ⋅ 6 = 46 ⋅ 30 + 46 ⋅ 2
- 32 ⋅ 40 + 32 ⋅ 6 = 46 ⋅ 32
- 46 ⋅ 30 + 46 ⋅ 2 = 46 ⋅ 32
- 23 ⋅ 50 + 23 ⋅ 4 = 54 ⋅ 23
Ответ:
32 ⋅ 40 + 32 ⋅ 6 = 46 ⋅ 30 + 46 ⋅ 2; 32 ⋅ 40 + 32 ⋅ 6 = 46 ⋅ 32; 46 ⋅ 30 + 46 ⋅ 2 = 46 ⋅ 32; 23 ⋅ 50 + 23 ⋅ 4 = 54 ⋅ 23