АВ=√(6-5)²+(3-2)²+(4-3)²=√3
АС=√(9-5)²+(5-2)²+(5-3)²=√29
ВС=√(9-6)²+(5-3)²+(5-4)²=√14
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АВ=√(6-5)²+(3-2)²+(4-3)²=√3
АС=√(9-5)²+(5-2)²+(5-3)²=√29
ВС=√(9-6)²+(5-3)²+(5-4)²=√14