Răspuns:
a. 12,24,36, 48,60, 72
b. 5000,10000,15000, 20000,25000,30000
c. 1 000 000, 950 000, 900 000, 850 000, 800 000, 750 000
d. 12.9 ; 12.8 ; 12.7 ; 7 + 5.6 ; 6 + 6.5 ; 5 + 7.4
e. 17.10 ; 26.9 ; 237.6 ; 8.5 * 27 = 229.5 ; 8.2 * 27 = 221.4 ; 8.9 * 27 = 240.3