Выражение: 1)9(7+y)+8(6+y) 2)12(9+8y)+3(11+6y)
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09.07.2019 03:20
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2
63+9у+48+8у
111+17у
2) 12*9+96у+3*11+18у
108 +96у + 33+18у
141+114у