Collection A: |
Collection B: |
Total : |
On peut écrire: |
|
|---|---|---|---|---|
12 12
21 121 |
6
20
|
28 37 36 136 |
12 + 6 = 12 + = 28 + 20 = + = + = |
6 + 12 = + 12 = 28 + = + = + = |
13 + 5 = 7 + 11 = 14 + = 14 + 12 = 19 |
23 + 5 = 37 = 31 + + 7 = 28 39 = + 9 |
26 + 10 = 20 + 15 = 10 + = 33 + 18 = 38 |
22 + 13 = 122 + 13 = = 13 + 16 17 + = 39 |
|---|
 |
20 + |  |
+ 12 |  |
20 + 10 + | ||
| + 16 | 22 + | + 5 + 5 | |||||
| 13 + | 11 + | 16 + + 4 |
| On possède: | On perd: | Il reste: | On peut écrire: | |
|---|---|---|---|---|
19 28 36 43 143 |
6 12
20 20 |
32
|
19 - 6 = 28 - 12 = 36 - = 32 - = - = |
19 - = 6 28 - = 12 - = - = - = |
17 - 5 = 14 - 11 = 15 - = 15 18 - = 12 |
28 - 26 = = 45 - 3 58 - = 52 13 = 34 - |
38 - 20 = 138 - 20 = 29 = - 20 = 57 - 27 |
53 - 42 = = 46 - 24 = 246 - 24 - 23 = 23 |
|---|
 |
19 | 29 | 34 | 51 | 151 |  |
||||||
| 34 | 40 | 20 | 0 | 12 |