1. 10:5=2 10:2=5
2. 8:4=2 8:2=4
3. 12:6=2 12:2=6
4. 16:8=2 16:2=8
800/10=80
800/4=200
800-200-80=520
в стаде 520 овец
Оба будут на одном удалении. Они же встретятся!!!!!!!!!!!
(x + 8 17/36) +7 31/36 = 25 1/36(x + 8 17/36) = 25 1/36 - 7 31/36 (x + 8 17/36) = 24 37/36 - 7 31/36(x + 8 17/36) = 17 6/36x = 17 6/36 - 8 17/36x = 16 42/36 - 8 17/36x = 8 25/36-------------------------------------------------(8 25/36 + 8 17/6) + 7 31/36 = 25 1/36 12 13/45 - ( y - 5 17/45) = 3 23/45(y-5 17/45) = 12 13/45 - 3 23/45(y-5 17/45) = 11 58/45 - 3 23/45(y-5 17/45) = 8 35/45y = 8 35/45 + 5 17/45y = 13 52/45---------------------------------------------12 13/45 - ( 13 52/45 - 5 17/45) = 3 23/45
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