Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
633 + 50 =
4
3
2
683
|
2.
524 + 5 =
2
3
529
4
|
3.
987 + 3 =
4
990
3
2
|
4.
828 – 378 =
3
450
4
2
|
|
5.
305 – 202 =
103
3
2
4
|
6.
185 – 106 =
79
2
3
4
|
7.
402 + 218 =
3
4
620
2
|
8.
170 + 174 =
4
2
3
344
|
|
9.
305 + 147 =
452
2
4
3
|
10.
135 + 51 =
4
3
186
2
|
11.
430 + 540 =
3
2
970
4
|
12.
248 – 215 =
4
2
33
3
|
|
13.
809 – 168 =
2
4
3
641
|
14.
452 – 198 =
4
3
2
254
|
15.
114 – 95 =
4
2
3
19
|
16.
125 + 72 =
4
197
2
3
|
|
17.
928 – 323 =
2
4
3
605
|
18.
548 – 48 =
3
2
4
500
|
19.
814 + 29 =
843
4
2
3
|
20.
550 – 503 =
4
3
47
2
|