360........................
ab=36
2a+2b=26
ab=36
2(a+b)=26
ab=36
a+b=13
a=13-b
(13-b)b=36
13b-b^2-36=0
b^2-13b+36=0
D=169-144=25
b=4
b=9
2 случая:
<em>1) b=4⇒a=9</em>
<em>2) b=9⇒a=4</em>
ОТВЕТ: 9 И 4
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