Ile jest:
3 X 5 = . 13 + 4 = 20 - 6 = 18:2 = .
8 + 5 = . 17 - 16 = 2 X 8 = . 10 - 5 =
4 X 3 = . 16 : 4 = .
2 + 14 = 15 - 7 =
6 X 2 = .
8 X 3 = . 13-8=.
11-9 = . 8 + 7 = .
12 : 4 = . 12 - 4 = .
9 + 9 = .
19 - 11 = . 20 : 5 = .
Temat: nauka rachunków