Ответ:
25/60; 56/60; 15/60; 18/60
Пошаговое объяснение:
15/36 (:3) = 5/12 (*5) = 25/60
42/45 (:3) = 14/15 (*4) = 56/60
25/100 (:25) = 1/4 (*15) = 15/60
9/30 (:3) = 3/10 (*6) = 18/60
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Ответ:
25/60; 56/60; 15/60; 18/60
Пошаговое объяснение:
15/36 (:3) = 5/12 (*5) = 25/60
42/45 (:3) = 14/15 (*4) = 56/60
25/100 (:25) = 1/4 (*15) = 15/60
9/30 (:3) = 3/10 (*6) = 18/60