Сократите дробь: 1) 18/45 2) 22/88 3) 12/36 4) 50/75 5) 30/105 6) 400/500 7) 88/990 8) 42/720 9) 100/250 10) 24/360

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16 ноября, 13:55

Сократите дробь: 1) 18/45 2) 22/88 3) 12/36 4) 50/75 5) 30/105 6) 400/500 7) 88/990 8) 42/720 9) 100/250 10) 24/360

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Юджи · Answer 1

1) 18/45 = (6 * 3) / (15 * 3) = 6/15 = 2/5;

2) 22/88 = 22 / (22 * 4) = 1/4;

3) 12/36 = 12 / (12 * 3) = 1/3;

4) 50/75 = (25 * 2) / (25 * 3) = 2/3;

5) 30/105 = (6 * 5) / (21 * 5) = 6/21 = 2/7;

6) 400/500 = (40 * 10) / (50 * 10) = 40/50 = 4/5;

7) 88/990 = (44 * 2) / (495 * 2) = 44/495 = 4/45;

8) 42/720 = (21 * 2) / (360 * 2) = 21/360 = 7/120;

9) 100/250 = (10 * 10) / (25 * 10) = 10/25 = 2/5;

10) 24/360 = (12 * 2) / (180 * 2) = 12/180 = 4/60 = 2/30 = 1/15.