Răspuns :
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1.Aflam latimea
90:3=30
2.Aflam lungimea
30x2=60
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1.Aflam latimea
90:3=30
2.Aflam lungimea
30x2=60
L=l------l------l P=90
l=l------l
care e l?
90:3=30(l)
care e L?
30*2=60
l=l------l
care e l?
90:3=30(l)
care e L?
30*2=60