Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
60 – 50 =
1
10
|
2.
875 – 390 =
2
485
|
3.
721 + 270 =
2
991
|
4.
49 + 45 =
94
2
|
|
5.
377 – 145 =
2
232
|
6.
252 + 592 =
2
844
|
7.
355 + 440 =
2
795
|
8.
155 – 29 =
2
126
|
|
9.
922 – 79 =
2
843
|
10.
862 – 419 =
2
443
|
11.
463 + 66 =
529
2
|
12.
255 – 158 =
2
97
|
|
13.
363 + 460 =
2
823
|
14.
337 – 142 =
2
195
|
15.
868 + 102 =
970
2
|
16.
149 + 240 =
2
389
|
|
17.
914 – 649 =
2
265
|
18.
299 + 430 =
2
729
|
19.
452 + 71 =
2
523
|
20.
97 – 23 =
74
2
|