Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
203 + 285 =
3
488
4
2
|
2.
717 – 717 =
2
4
3
0
|
3.
379 + 472 =
3
2
851
4
|
4.
500 – 498 =
2
3
4
1
|
|
5.
870 + 97 =
967
3
2
4
|
6.
254 + 656 =
2
910
4
3
|
7.
278 + 502 =
2
4
3
780
|
8.
192 – 113 =
79
2
3
4
|
|
9.
510 – 468 =
4
2
3
42
|
10.
396 – 356 =
40
3
4
2
|
11.
658 – 336 =
2
322
4
3
|
12.
993 – 77 =
3
2
916
4
|
|
13.
309 – 29 =
3
2
280
4
|
14.
643 – 504 =
139
3
4
2
|
15.
569 – 558 =
11
3
1
2
|
16.
287 + 103 =
4
2
390
3
|
|
17.
599 + 20 =
4
2
3
619
|
18.
727 + 5 =
732
2
3
4
|
19.
653 + 0 =
4
653
2
3
|
20.
31 – 22 =
2
3
1
9
|