Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
12 + 487 =
2
499
|
2.
510 – 325 =
185
2
|
3.
46 – 15 =
31
2
|
4.
492 – 333 =
159
2
|
|
5.
449 – 218 =
231
2
|
6.
22 – 17 =
5
1
|
7.
207 + 417 =
624
2
|
8.
634 – 148 =
486
2
|
|
9.
332 – 141 =
191
2
|
10.
878 + 46 =
2
924
|
11.
56 – 41 =
15
1
|
12.
232 – 152 =
2
80
|
|
13.
543 + 151 =
2
694
|
14.
558 – 141 =
417
2
|
15.
427 + 317 =
2
744
|
16.
714 + 209 =
2
923
|
|
17.
686 – 437 =
2
249
|
18.
598 – 327 =
2
271
|
19.
348 – 197 =
2
151
|
20.
605 + 391 =
996
2
|