Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
102 + 845 =
2
4
947
3
|
2.
532 + 119 =
2
4
651
3
|
3.
316 – 309 =
1
7
3
2
|
4.
775 + 36 =
811
2
4
3
|
|
5.
939 + 35 =
2
4
974
3
|
6.
824 + 143 =
967
4
2
3
|
7.
51 – 31 =
3
20
4
2
|
8.
499 – 182 =
317
2
4
3
|
|
9.
691 + 276 =
967
3
4
2
|
10.
737 – 658 =
4
3
79
2
|
11.
492 – 390 =
102
4
2
3
|
12.
718 + 91 =
3
4
2
809
|
|
13.
1000 – 100 =
900
2
4
3
|
14.
65 – 5 =
2
60
4
3
|
15.
236 + 174 =
3
410
4
2
|
16.
274 + 409 =
4
2
3
683
|
|
17.
748 + 38 =
4
2
3
786
|
18.
162 – 66 =
96
3
4
2
|
19.
986 – 347 =
639
2
3
4
|
20.
24 + 238 =
3
2
4
262
|