Ответ:
S=ab
a=S/b
a=1395/89
P=2(a+b)
P=2(1395/89+89)
P=2(1395+7921/89)
P=2(9316/89)
P=18632/89
P=209 31/89
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Ответ:
S=ab
a=S/b
a=1395/89
P=2(a+b)
P=2(1395/89+89)
P=2(1395+7921/89)
P=2(9316/89)
P=18632/89
P=209 31/89