Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
837 – 608 =
2
229
|
2.
206 – 14 =
192
2
|
3.
783 + 51 =
834
2
|
4.
488 + 412 =
900
2
|
|
5.
639 – 416 =
2
223
|
6.
164 + 755 =
919
2
|
7.
595 – 390 =
205
2
|
8.
278 + 4 =
2
282
|
|
9.
272 + 521 =
793
2
|
10.
171 + 86 =
257
2
|
11.
345 – 293 =
2
52
|
12.
838 – 635 =
203
2
|
|
13.
617 + 156 =
773
2
|
14.
532 + 297 =
829
2
|
15.
100 + 462 =
562
2
|
16.
311 – 171 =
140
2
|
|
17.
823 + 27 =
850
2
|
18.
434 + 406 =
2
840
|
19.
830 – 170 =
660
2
|
20.
333 + 107 =
2
440
|