Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
12 – 9 =
2
1
4
3
|
2.
30 – 18 =
3
1
2
12
|
3.
210 – 123 =
2
3
87
4
|
4.
852 – 358 =
3
2
4
494
|
|
5.
150 – 58 =
92
2
3
4
|
6.
520 + 426 =
3
2
946
4
|
7.
481 – 398 =
83
2
3
4
|
8.
177 + 234 =
3
411
4
2
|
|
9.
242 – 150 =
3
2
92
4
|
10.
658 – 199 =
3
459
2
4
|
11.
654 + 198 =
3
4
2
852
|
12.
919 – 4 =
915
2
3
4
|
|
13.
135 – 101 =
34
4
2
3
|
14.
101 + 813 =
4
914
3
2
|
15.
933 + 31 =
3
964
2
4
|
16.
631 + 341 =
3
2
4
972
|
|
17.
391 – 230 =
4
3
161
2
|
18.
702 + 80 =
3
782
2
4
|
19.
24 + 302 =
2
4
3
326
|
20.
933 – 406 =
527
4
3
2
|