Question

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, __ , __ , __ .

Answer 1

a)10,25,55,115,185,275,385
b)1,4,2,8,3,12,4,16,5,20
c)50,60,40,50,30,70,50,20
d)20,10,40,20,80,40,160,80,320

Answer 2

a) 235; 475; 955;

b) 4; 16; 5;

c) 40; 20; 30;

d) 160; 80; 320;