Ответ:
3/115 : 2/10 = 3/23
3/115 : 2/10 = 3/115 * 10/2 = (3*10) / (115*2) = 30/230 = (3*10)/23*10 = 3/23
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Ответ:
3/115 : 2/10 = 3/23
3/115 : 2/10 = 3/115 * 10/2 = (3*10) / (115*2) = 30/230 = (3*10)/23*10 = 3/23