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2.Aflati perimetrul unui triunghi care are lungimea egala cu suma sumerelor 23si25,iar latimea de doua ori mai mare

 

                                                                                                                                                                                                                                                                                                                                                                           

 

 

 

3.la un concurs de alergat baietii trebuie sa parcurga de 5 ori traseul in forma de patrat cu latura de 75m

        Care este distanta parcursa de paietii ????????????? :*

Răspuns :

L=23+25=48
l=48x2=96
P=2x48+2x96=96+192=288

2. P=75x4=300
300x5=1500
P=(l+L)*2 L=23+25 L=48 l=48*2 l=96 P=(96+48)*2 P=144

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