Continua sirurile cu inca trei numere :
a) 10, 25, 55, 115, __ , __ , __ ;
b) 1, 4 , 2 , 8, 3 , 12, __ , __ , __ ;
c) 50 , 60, 40 , 50, 30, __ , __ , __ ;
d)20, 10, 40, 20, 80, 40, __ , __ , __ .

2

Răspunsuri

2014-11-09T23:12:35+02:00
A)(115+120)=235,(235+240)=475;(475+480)=955;
d)160;80;320;
c)40;20;30;
b)5;20;8.
2014-11-09T23:51:43+02:00
A) 235, 475, 955
b) 4, 16, 5
c) 40, 20, 30
d) 160, 80, 320
5 3 5