Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
172 – 67 =
2
105
4
3
|
2.
406 – 54 =
2
4
3
352
|
3.
329 + 21 =
350
3
4
2
|
4.
919 + 72 =
4
3
991
2
|
|
5.
576 – 476 =
3
4
2
100
|
6.
349 – 205 =
2
3
144
4
|
7.
121 – 24 =
3
4
97
2
|
8.
29 – 24 =
3
1
2
5
|
|
9.
175 + 282 =
4
3
457
2
|
10.
849 + 50 =
899
4
3
2
|
11.
945 – 507 =
3
438
4
2
|
12.
474 + 318 =
4
2
792
3
|
|
13.
994 + 2 =
4
996
3
2
|
14.
241 – 25 =
3
4
2
216
|
15.
241 – 192 =
49
2
4
3
|
16.
422 – 406 =
16
2
3
4
|
|
17.
656 – 173 =
483
4
2
3
|
18.
253 + 65 =
2
318
3
4
|
19.
769 + 161 =
930
2
4
3
|
20.
396 + 199 =
595
3
4
2
|