Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
444 – 173 =
4
3
2
271
|
2.
352 – 37 =
2
4
3
315
|
3.
128 + 251 =
3
2
379
4
|
4.
904 + 47 =
3
951
4
2
|
|
5.
148 – 15 =
133
2
3
4
|
6.
491 + 370 =
2
3
861
4
|
7.
348 – 335 =
2
3
13
1
|
8.
246 + 412 =
3
4
2
658
|
|
9.
221 + 378 =
2
3
599
4
|
10.
479 – 42 =
3
2
4
437
|
11.
560 + 111 =
3
4
2
671
|
12.
697 – 520 =
177
2
3
4
|
|
13.
780 + 167 =
3
947
4
2
|
14.
619 + 333 =
4
952
2
3
|
15.
89 – 69 =
3
20
2
4
|
16.
294 + 405 =
4
3
2
699
|
|
17.
731 – 356 =
4
3
2
375
|
18.
979 + 1 =
2
4
980
3
|
19.
326 – 160 =
4
2
166
3
|
20.
916 + 72 =
3
988
2
4
|