poziom A

a) 10.22 -> 8 minut -> 10.30 -> 17 minut> 10.47

17 min+8 min= 25 min

b)  8.17-> 3 minuty -> 8.20 -> 16 minut -> 8.36

16 min+ 3 min= 19 min

c) 23.15 -> 5 minut -> 23.20 -> 38 min-> 23.58  

5 min+ 38 min= 43 min

d) 9.39 -> 1 minuta -> 9.40 -> 13 minut -> 9.53

13 min+ 1 min= 14 min

e) 10.12 -> 8 minut -> 10.20-> 31 minuty-> 10.51

8 min+ 31 min= 39 min

f) 13.15 -> 5 minut -> 13.20 -> 22 minuty -> 13.42

5 min+ 22 min= 27 min

poziom B

a)

10.05 + 17 min -> 10.22 + 3 h -> 13. 22

b)

14.13+ 45 min-> 14.58 + 2 h -> 16.58

c)

9.05 + 25 min-> 9.30+1 h -> 10.30

d)

11.03 +50 min -> 11.53

e)

18.15 +30 min -> 18.45 + 2 h -> 20.45

f)

14.30+ 10 min -> 14.40 + 4 h-> 18.40

poziom C

a)

8.17 + 43 min -> 9.00 + 5 min -> 9.05

43 min+ 5 min= 48 min

b)

11.12 + 48 min -> 12.00+ 6 h-> 18.00 + 20 min= 18.20

48 min+ 6 h+ 20 min= 6 h+ 68 min= 6 h+ 60 min+ 8 min 7 h 8 min

c)

10.35 +25 min-> 11.00 +2 h -> 13.00 + 18 min -> 13.18

25 min+ 2 h+ 18 min= 2 h 43 min

d)

7.25+ 35 min -> 8.00 + 10 min -> 8.10

35 min+ 10 min= 45 min

e)

9.05+ 55 min-> 10.00 + 1 h-> 11.00+ 52 min -> 11.52

55 min+ 1 h+ 52 min= 1 h 107 min= 1h+ 60 min+ 47 min= 2 h 47 min

f)

7.40+ 20 min -> 8.00+ 22 min -> 8.22

20 min+ 22 min= 42 min

poziom D

a) 10.40 + 4 h-> 14.40 + 35 min -> 14.40 + 20 min+ 15 minut -> 15.00+ 15 minut -> 15.15

b) 12.53 + 3 h -> 15.53 + 42 min-> 15. 53+ 7 min+ 35 min -> 16.00+ 35 min-> 16.35

c) 14.45+ 1 h -> 15.45 + 27 min -> 15.45+ 15 min+ 12 min -> 16.00+ 12 min -> 16.12

d) 6.15 + 3h -> 9.15+ 55 min -> 9. 15+ 45 min+ 10 min -> 10.00+ 10 min -> 10.10

e) 4.54+ 2 h -> 6.54 + 30 min -> 6.54+ 6 min + 24 min -> 7.00+ 24 min -> 7.24

f) 13.38 + 3 h -> 16.38+ 22 min -> 17.00