Р= АВ+ВС+АС = 2Х+3Х+4Х
Р= 9Х
9Х=27
Х=3
АВ = 6
ВС= 9
АС=12
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Р= АВ+ВС+АС = 2Х+3Х+4Х
Р= 9Х
9Х=27
Х=3
АВ = 6
ВС= 9
АС=12