Question

Descopera regula si scrie urmatoarele trei numere ale fiecarui sir. 250,300,350, 400,425,450, 20,40,80, 800,400,200, 910,820,730,884,775,666.

Answer 1

250,300,350,400,450,500,550,600,650
20,40,80,160,320,640
800,400,200,100,50,25
910,820,730,640,550,460
884,775,666,557,448,339