Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
848 + 50 =
3
4
898
2
|
2.
487 + 510 =
4
2
997
3
|
3.
807 + 9 =
4
816
3
2
|
4.
524 + 425 =
949
2
3
4
|
|
5.
977 – 270 =
707
3
4
2
|
6.
201 – 49 =
2
4
3
152
|
7.
226 + 414 =
4
3
2
640
|
8.
478 – 61 =
3
417
4
2
|
|
9.
148 – 46 =
3
102
4
2
|
10.
387 + 289 =
2
4
676
3
|
11.
267 + 120 =
3
2
4
387
|
12.
773 + 205 =
2
3
4
978
|
|
13.
806 + 48 =
4
2
854
3
|
14.
676 + 198 =
3
874
4
2
|
15.
254 + 111 =
365
2
3
4
|
16.
466 + 356 =
2
4
822
3
|
|
17.
151 + 396 =
547
3
4
2
|
18.
600 – 489 =
2
3
111
4
|
19.
872 – 146 =
3
2
4
726
|
20.
222 + 360 =
3
2
582
4
|