7) 490000g + 30000 cg = 490000 : 1000 + 30000: 100000 = 490+ 0,3 = 490,3
8) (40000+ 40×5000)dg= 40000+2000000=240000 dg = 240000: 1000=240 hg
9) 2 ore+10 min+ 30 s= 7200s+600s+30s= 7390s
2×60= 120 min × 60 =7200 s
10×60= 600s
10) luna decembrie= 31 zile
31×24= 744 ore
Sper ca te-am ajutat