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dauuuuuu corrrroana ex 25 repede cu rezolvare

Dauuuuuu Corrrroana Ex 25 Repede Cu Rezolvare class=

Răspuns :

60 = l x L
l=L : 4
l x 5 + l +l x 6
60:6+10(l)
L=10 x 4 +40
Perimetru= 40 x 2 + 10 x 2+100