Question

Пж помогитеееееееееее номер 6

Answer 1

Ответ: 3
Пошаговое объяснение:
18 7
11
× 9
39
= 18 7
11
× 3.3
13.3
= 18 7
11
× 3
13
= 7 + 18.11
11
× 3
13
= 205
11
× 3
13
= 205:3
11-13
= 615
143
= 4.143 + 43

= 615
143
= 4.143 + 43
143
= 443
143
57
11
× 9
39
= 57
11
× 3.3
13:3
= 57
11
× 3
13
= 7 + 5.11
11
× 3
13
= 62

11
× 3
13
= 62.3
11-13
= 186
143
= 1•143 + 43
143
= 143
143
4 43
143
- 1 43
143
= 43 + 4.143

143
- 43 + 1•143
143
= 615
143
- 186
143
= 615 - 186
143
= 429
143
= 3.143
143
=3 = 3