16. 75×2 =150 numare cu trei cifre identice .... 111
17. 84:4 =21 1934-1078=856 856-21=835(rezultatul)
18.Cate femei sunt?
4×9=36
Cati barbati sunt?
36:6=6
Cate persoane sunt in autobuz ?
4+36+6=40+6=46
19. 7×9 + 28:4=63+7=70
42:7 + 56:8=6+7=13
408×7 - 16×9 =2856 - 146=2710
20. 16:4:2×9:3=4:2×3=2×3=6
100-4×8+42:6=100-32+7=68+7=75
183-(28+34)+8:2-(9-6)=183-52+4-3=131+4-3=135-3=131
1069+(80-13×0)+100×11=1069+(80-0)+110=1069+80+110=1149 +110=1259
sper ca e bun
