Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
760 + 179 =
939
4
3
2
|
2.
749 + 157 =
2
4
906
3
|
3.
739 + 243 =
982
3
2
4
|
4.
903 + 56 =
959
2
3
4
|
|
5.
638 – 268 =
3
4
370
2
|
6.
233 + 593 =
2
3
826
4
|
7.
826 + 150 =
3
976
4
2
|
8.
50 + 175 =
2
4
3
225
|
|
9.
20 – 1 =
2
4
19
3
|
10.
855 – 344 =
511
2
4
3
|
11.
556 – 469 =
4
87
3
2
|
12.
282 – 70 =
4
2
212
3
|
|
13.
258 – 230 =
3
2
4
28
|
14.
459 + 229 =
3
2
688
4
|
15.
373 + 193 =
3
566
2
4
|
16.
562 + 185 =
747
3
2
4
|
|
17.
476 + 410 =
4
2
3
886
|
18.
503 – 94 =
2
409
4
3
|
19.
518 – 173 =
3
4
345
2
|
20.
335 – 46 =
4
3
2
289
|