| 13) | Calcule rapidement |
| –
5 – 6 = |
–
11 |
12
– 20 = |
–
8 |
125
– 131 = |
–
6 |
–
56 + 9 = |
–
47 |
| 5
– 9 = |
–
4 |
–
12 – 20 = |
–
32 |
–
125 – 131 = |
–
256 |
–
9 – 56 = |
–
65 |
| –
5 + 9 = |
4 |
–
13 – 64 = |
–
77 |
99
– 103 = |
–
4 |
9
– 56 = |
–
47 |
| 5
– 6 = |
–
1 |
–
13 + 64 = |
51 |
–
103 – 99 = |
–
202 |
–
59 + 6 = |
–
53 |
| –
9 + 5 = |
–
4 |
13
+ 64 = |
77 |
103
– 99 = |
4 |
–
6 + 59 = |
53 |