Question

решите 7 - 3 12 срочно помогите

Answer 1

7- 3 1/2 = 3 1/2
Ответ: 3 1/2

Answer 2

8,5

Answer 3

7 - 3 1/2 = 6 2/2 - 3 1/2 = 3 1/2

Answer 4

и раздели на 7

Answer 5

3 1/2 : 7 = 1/2