Zaokrouhli

Vypočítej a zaokrouhli na stovky. Pak stiskni KONTROLA.
300 + 20 + 7 = 600 + 2 + 90 = 500 + 30 + 9 =
800 + 3 + 50 = 400 + 60 + 6 = 50 + 8 + 100 =
700 + 80 + 5 = 7 + 40 + 900 = 60 + 9 + 200 =
4 + 10 + 100 = 70 + 8 + 200 = 400 + 0 + 40 =
30 + 8 + 500 = 800 + 4 + 20 = 60 + 700 + 3 =