19целых5/13+6целых1/36 15целых1/4-8 1/28 3 1/12+4 - вопрос №63698961951361361514812831124355171818995 от innadom34 03.01.2021 14:18

Question

Математика: 19целых5/13+6целых1/36 15целых1/4-8 1/28 3 1/12+4 3/5. 5 17/18-1 8/9 9 5/6-4 2/3

innadom34 · Answer

19 5/13 + 6 1/36 = 19   180/468   + 6   13/468 =
= 25 193/468

15 1/4 - 8 1/28 = 15 7/28 - 8 1/28 =
= 7 6/28 = 7   3/14

3 1/12 + 4   3/5 = 3 5/60 + 4 36/60 = 7 41/60

5 17/18 - 1 8/9 = 5 17/18 - 1 16/18 = 4 1/18

9 5/6 - 4   2/3 = 9 5/6 - 4   4/6 = 5 1/6