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Стася325
@Стася325
July 2022
2
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2 5\12+3+1 19\20. помогите решить
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kvast
2 5\12+3+ 1 19\20= 2 25\60+3+1 57\60= 3 82\60+3=6 82\60=7 22\60=7 11\30
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Nastya171167
1)2 5/12 + 3 = 29/12 + 3/1 =(29 *1 + 3 *12)/12 = 29/12 + 36/12 = 65/12 = 5 5/12
2)5 5/12 + 1 19/20 = 65/12 + 39/20 =(65*5 +39 * 3)/60 = 325/60+117/60 = 442/60 = 221/30 = 7 11/30
ответ 7 11/30
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Answers & Comments
2)5 5/12 + 1 19/20 = 65/12 + 39/20 =(65*5 +39 * 3)/60 = 325/60+117/60 = 442/60 = 221/30 = 7 11/30
ответ 7 11/30