Р = 2(a+b)
a+b = P/2
a = P/2 - b
1) a = 8/2 - 1 = 4-1 = 3
2) a = 10/2 - 2 = 5-2=3
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Р = 2(a+b)
a+b = P/2
a = P/2 - b
1) a = 8/2 - 1 = 4-1 = 3
2) a = 10/2 - 2 = 5-2=3