Question

〜[]::—ПОЖАЛУЙСТА ПОМОГИТЕ СРОЧНО!!!ДАЮ 25 БАЛЛОВ!!!

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Answer 1

Ответ:

1) (6 - 3 5/12) - (3 - 1 1/12) = 2/3.

1) 6 - 3 5/12 = 6 - 3 - 5/12 = 3 - 5/12 = 2 + 1 - 5/12 = 2 + 12/12 - 5/12 = 2 + (12 - 5)/12 = 2 + 7/12 = 2 7/12;

2) 3 - 1 1/12 = 3 - 1 - 1/12 = 2 - 1/12 = 1 + 1 - 1/12 = 1 + 12/12 - 1/12 = 1 + (12 - 1)/12 = 1 + 11/12 = 1 11/12;

3) 2 7/12 - 1 11/12 = 2 - 1 + 7/12 - 11/12 = 1 + (7 - 11)/12 = 1 - 4/12 = 1 - 4/(4 * 3) = 1 - 1/3 = 3/3 - 1/3 = (3 - 1)/3 = 2/3.

2) 1) 5-45/19=95/19-45/19=50/19;

2) 4-59/19=76/19-59/19=17/19;

3) 50/19-17/19=33/19=1 14/19.

3)

Картинки

4)

1) 8 - 4 13/20 = 3 7/20

2) 6 - 5 3/20 = 17/20

3) 3  7/20 - 17/20 = 2 27/20 - 17/20 = 2  10/20 = 2  1/2