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2014-04-23T20:28:08+03:00
L+m+b=90
m+2=8(l+2)⇒m+2=8l+16⇒m=8l+14
b+2=2(m+2)⇒b+2=2(8l+14)⇒b+2=16l+28⇒b=16l+26
l+8l+14+16l+26=90⇒25l=50⇒l=50/25=2 ani
m=8l+14⇔m=8*2+14⇒m=16+14=30 ani
b=90-30-2=58 ani
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