Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
481 – 308 =
173
3
4
2
|
2.
630 + 370 =
1000
4
3
2
|
3.
155 + 153 =
2
4
308
3
|
4.
321 + 405 =
3
726
4
2
|
|
5.
24 – 19 =
3
5
2
1
|
6.
368 – 169 =
4
2
3
199
|
7.
413 + 104 =
4
2
3
517
|
8.
468 + 98 =
566
4
2
3
|
|
9.
618 – 559 =
3
2
4
59
|
10.
401 + 475 =
876
2
4
3
|
11.
492 + 380 =
2
872
3
4
|
12.
466 + 342 =
2
808
3
4
|
|
13.
425 + 519 =
2
4
944
3
|
14.
918 + 80 =
4
3
998
2
|
15.
937 + 0 =
3
4
937
2
|
16.
504 + 103 =
607
2
4
3
|
|
17.
281 + 110 =
4
2
391
3
|
18.
638 – 175 =
2
463
4
3
|
19.
28 + 735 =
2
3
4
763
|
20.
109 – 88 =
3
21
2
4
|