Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
31 – 0 =
31
4
3
2
|
2.
188 + 764 =
3
2
4
952
|
3.
38 – 13 =
4
25
3
2
|
4.
933 + 52 =
2
3
985
4
|
|
5.
371 + 403 =
3
774
2
4
|
6.
478 – 213 =
4
265
3
2
|
7.
26 + 326 =
352
2
4
3
|
8.
489 – 228 =
2
4
3
261
|
|
9.
814 + 9 =
4
823
2
3
|
10.
800 – 242 =
3
558
4
2
|
11.
794 + 150 =
4
3
2
944
|
12.
512 + 176 =
2
4
688
3
|
|
13.
576 + 61 =
4
3
2
637
|
14.
184 + 278 =
2
4
462
3
|
15.
253 – 74 =
3
2
4
179
|
16.
37 – 2 =
4
3
35
2
|
|
17.
336 + 213 =
3
2
549
4
|
18.
833 + 63 =
896
4
2
3
|
19.
756 – 180 =
4
576
2
3
|
20.
718 – 430 =
288
4
3
2
|