Question

Решите уравнение 5 / 8 x - 0, 5 = 2 целых 3/4

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Answer 1

Ответ:

5/8 * 26/5 – 5/10 = 2 3/4;

26/8 – 5/10 = 2 3/4;

13/4 – 5/10 = 2 3/4;;

(13 * 10)/(4 * 10) - (5 * 4)/(10 * 4) = 2 3/4;

130/40 – 20/40 = 2 3/4;

(130 - 20)/40 = 2 3/4;

110/40 = 2 3/4;

11/4 = 2 3/4;

2 3/4 = 2 3/4