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викаталабаева
@викаталабаева
July 2022
1
9
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помогите решить пошагово
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Barcelona29111899
1)7.1/5-2.1/8+3.1/20
7.1/5=36/5
2.1/8=17/8
3.1/20=61/20
общ.знам=40=>
36/5=288/40
17/8=85/40
61/20=122/40=>
288/40-85/40+122/40=325/40-сокращаем,получается 9.1/8
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Answers & Comments
7.1/5=36/5
2.1/8=17/8
3.1/20=61/20
общ.знам=40=>
36/5=288/40
17/8=85/40
61/20=122/40=>
288/40-85/40+122/40=325/40-сокращаем,получается 9.1/8