1) 48 : 45 = (3*16)/(3*15) = 16/15 - сократили на 3
2) 16/15 - 1/3 = (16-5)/15 = 11/15 - привели к общему знаменателю 15
3) 11/15 * 2 3/11 = 11/15 * 25/11 = 25/15 = 5/3
4) 5/3 + 3/5 = (25 +9)/15 = 34/15 = 2 4/15 - ОТВЕТ
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Answers & Comments
1) 48 : 45 = (3*16)/(3*15) = 16/15 - сократили на 3
2) 16/15 - 1/3 = (16-5)/15 = 11/15 - привели к общему знаменателю 15
3) 11/15 * 2 3/11 = 11/15 * 25/11 = 25/15 = 5/3
4) 5/3 + 3/5 = (25 +9)/15 = 34/15 = 2 4/15 - ОТВЕТ