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YanaFoxy2016
@YanaFoxy2016
August 2022
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Раздели число а на три части а1, а2 и а3, если: а= 15 1/3, а1 : а2= 0,5 : 2 и а2 : а3= 0,5 : 1/3
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xram7474
А=а1+а2+а3
а1=0,5*а2/2
а3=1/3а2 / 0,5
151/3=0,5а2/2 + а2 + 1/3а2/0,5
23/12 а2 = 151/3
а2= 151/3 / 23/12
а2= 151/3 * 12/23
а2 = 604/23 = 26цел.6/23
а3 = 1/3*604/23 / 0,5 = 17цел.35/69
а1=0,5*604/23 / 2 = 151/23 = 6цел.13/23
проверяем 151/23 + 604/23 + 1208/69 = 3473/69 = 151/3
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YanaFoxy2016
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Answers & Comments
а1=0,5*а2/2
а3=1/3а2 / 0,5
151/3=0,5а2/2 + а2 + 1/3а2/0,5
23/12 а2 = 151/3
а2= 151/3 / 23/12
а2= 151/3 * 12/23
а2 = 604/23 = 26цел.6/23
а3 = 1/3*604/23 / 0,5 = 17цел.35/69
а1=0,5*604/23 / 2 = 151/23 = 6цел.13/23
проверяем 151/23 + 604/23 + 1208/69 = 3473/69 = 151/3