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completeaza sirul : 0 , 10,10,20,30,50 ...

Răspuns :

0, 10, 10, 20, 30, 50, 80, 130, 210, 340...
nr se formeaza prin suma ultimelor 2 nr anterioare.
 10+0 = 10
 10+10=20
 10+20=30
 20+30 = 50
30+50 = 80
50+80 = 130 samd.

0, 10,10,20,30,50, 80 ,130, 210, 340......
se aduna ultimele doua numere.