11 – 6 14 – 7 |
13 – 8 15 – 6 |
16 – 7 17 – 9 |
11 – 6 = 5 14 – 7 = 7 |
13 – 8 = 5 15 – 6 = 9 |
16 – 7 = 9 17 – 9 = 9 |
13 – 4 = 9 | 15 – 7 = 8 | 12 – 8 = 4 | 11 – 5 = 6 |
11 – 4 = 7 | 12 – 5 = 7 | 13 – 6 = 7 | 14 – 7 = 7 | 15 – 8 = 7 | 16 – 9 = 7 |
13 – 6 15 – 7 12 – 4 |
11 – 2 14 – 5 17 – 8 |
16 – 8 18 – 9 12 – 3 |
13 – 6 = 7 15 – 7 = 8 12 – 4 = 8 |
11 – 2 = 9 14 – 5 = 9 17 – 8 = 9 |
16 – 8 = 8 18 – 9 = 9 12 – 3 = 9 |
a) 14 – 4 – 3 14 – 7 |
b) 12 – 2 – 6 12 – 8 |
c) 16 – 6 – 3 16 – 9 |
a) 14 – 4 – 3 = 10 – 3 = 7 14 – 7 = 7 |
b) 12 – 2 – 6 = 10 – 6 = 4 12 – 8 = 4 |
c) 16 – 6 – 3 = 10 – 3 = 7 16 – 9 = 7 |
a) 14 – 6 ? 7 17 – 9 ? 8 |
b) 15 – 8 ? 11 – 2 16 – 7 ? 13 – 4 |
14 – 6 = 8 | 17 – 9 = 8 | 15 – 8 = 7 |
11 – 2 = 9 | 16 – 7 = 9 | 13 – 4 = 9 |
a) 14 – 6 > 7 17 – 9 = 8 |
b) 15 – 8 < 11 – 2 16 – 7 = 13 – 4 |
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