Dodawanie i odejmowanie w zakresie 20 Karta pracy nr 5 - stopień trudności *****
8. Oblicz.
9. Oblicz.
5 |
+ |
5 |
+ 5 - |
n |
19 |
- 9 - |
2 = |
Et | |
4 |
+ |
6 |
+ 3 = |
20 |
- 10 - |
10 = |
ffl | ||
7 |
+ |
3 |
+ 6 = |
16 |
- 6 - |
7 = |
FP | ||
8 |
+ |
2 |
+ 4 =| |
1 |
18 |
- 8 - |
4 = |
EB |