Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
582 + 50 =
2
632
|
2.
268 + 664 =
932
2
|
3.
926 + 0 =
926
2
|
4.
441 – 206 =
235
2
|
|
5.
100 + 715 =
815
2
|
6.
477 – 275 =
2
202
|
7.
984 + 10 =
2
994
|
8.
65 – 0 =
2
65
|
|
9.
214 + 107 =
321
2
|
10.
70 – 25 =
45
2
|
11.
845 – 778 =
2
67
|
12.
608 – 546 =
2
62
|
|
13.
279 – 52 =
227
2
|
14.
507 + 197 =
704
2
|
15.
87 + 442 =
2
529
|
16.
216 + 784 =
2
1000
|
|
17.
454 – 196 =
258
2
|
18.
137 – 52 =
85
2
|
19.
984 + 3 =
2
987
|
20.
495 + 65 =
560
2
|