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Iabdbsvuhk
a fost răspuns

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Răspuns :

1) r+a+v=12 496 580
a+v= 8 342 000
r=4 154 580

r+a+v=12 496 580
r+a=8 342 000
v=4 154 580

a=12 496 580-4 154 580- 4 154 580
a= 4 187 420

2) L=3l
P=144
P=2 (L+l)
144=2 (3l + l)
72=4l
l=13
=) L=39
A=L×l
A=13×39
A=507