номер 1: 8у +5,7=24,1
8у= 24,1 - 5,7
8у=18,4
у=18,4:8
у=2,3
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8•2,3+ 5,7=24,1
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номер 1: 8у +5,7=24,1
8у= 24,1 - 5,7
8у=18,4
у=18,4:8
у=2,3
--------------------------------
8•2,3+ 5,7=24,1