Răspunsuri

2014-06-06T07:41:33+03:00
Notam latimea cu x 
notam lungimea cu x+1
perimetrul=2(l+L)=342 ⇒l+L= 342:2
l+L=171
x+(x+1)=171
2x+1=171
2x=171-1
2x=170
x=170:2
x=85(latimea)
85+1=86(lungimea)