Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
6 – 6 =
3
2
0
4
|
2.
724 – 456 =
3
2
4
268
|
3.
406 – 391 =
3
15
2
1
|
4.
222 – 162 =
2
4
60
3
|
|
5.
417 + 321 =
2
4
738
3
|
6.
584 + 339 =
2
4
3
923
|
7.
958 + 20 =
3
2
4
978
|
8.
362 + 169 =
3
531
2
4
|
|
9.
269 + 622 =
891
3
4
2
|
10.
946 + 4 =
3
2
950
4
|
11.
325 + 627 =
952
4
2
3
|
12.
129 – 111 =
2
18
3
4
|
|
13.
502 – 307 =
4
3
195
2
|
14.
524 + 339 =
4
863
3
2
|
15.
50 – 45 =
2
3
5
1
|
16.
321 – 174 =
2
147
4
3
|
|
17.
546 + 16 =
562
3
4
2
|
18.
513 + 33 =
546
2
4
3
|
19.
88 – 10 =
2
78
4
3
|
20.
964 – 432 =
4
532
3
2
|