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Ksushasheoa
@Ksushasheoa
July 2022
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Подайте чысло 123 у выгляди сумы трьох доданкив x,y,z,так щоб x:y=2:5 и y:z=3:4
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snow99
123 = x + y + z
5х = 2у => x = 2y/5
4y = 3z => z = 4y/3
x = 2*45/5 = 2*9 = 18
z = 4*45/3 = 4*15 = 60
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Answers & Comments
5х = 2у => x = 2y/5
4y = 3z => z = 4y/3
x = 2*45/5 = 2*9 = 18
z = 4*45/3 = 4*15 = 60