Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
899 + 18 =
2
4
3
917
|
2.
352 – 278 =
2
3
74
4
|
3.
762 + 119 =
881
4
3
2
|
4.
121 – 14 =
3
2
4
107
|
|
5.
587 + 300 =
2
887
4
3
|
6.
261 + 415 =
2
3
4
676
|
7.
555 – 269 =
286
2
4
3
|
8.
918 – 501 =
417
2
3
4
|
|
9.
273 + 5 =
3
2
278
4
|
10.
859 + 139 =
2
3
4
998
|
11.
966 + 30 =
996
2
3
4
|
12.
466 + 503 =
969
2
4
3
|
|
13.
488 – 416 =
2
72
4
3
|
14.
874 + 14 =
3
888
2
4
|
15.
295 + 548 =
2
4
843
3
|
16.
514 + 340 =
2
4
854
3
|
|
17.
133 + 665 =
4
798
3
2
|
18.
881 – 439 =
3
442
4
2
|
19.
920 – 707 =
213
4
2
3
|
20.
999 + 0 =
2
3
4
999
|