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Балагура
@Балагура
August 2022
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Распишите пожалуйста решение.1,1*(5х-9/28)=11/105 надо перевести в десятичные дроби.
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markat
1,1*(5х-9/28)=11/105 5,5х-11/10*9/28=11/105
5,5х=11/105+99/280
5,5х=(11*8+99*3)/840
5,5х=385/840
55/10х=77/168
х=77/168*10/55
х=7/84
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Answers & Comments
5,5х=11/105+99/280
5,5х=(11*8+99*3)/840
5,5х=385/840
55/10х=77/168
х=77/168*10/55
х=7/84