Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
533 – 69 =
464
2
|
2.
658 – 114 =
544
2
|
3.
950 + 16 =
2
966
|
4.
988 + 1 =
2
989
|
|
5.
637 – 283 =
2
354
|
6.
6 + 733 =
2
739
|
7.
501 + 203 =
704
2
|
8.
762 – 382 =
380
2
|
|
9.
228 – 225 =
1
3
|
10.
485 – 30 =
455
2
|
11.
223 – 7 =
2
216
|
12.
96 – 42 =
2
54
|
|
13.
642 – 615 =
2
27
|
14.
454 – 196 =
258
2
|
15.
100 + 651 =
2
751
|
16.
203 – 2 =
2
201
|
|
17.
477 – 39 =
2
438
|
18.
93 – 51 =
2
42
|
19.
211 + 83 =
2
294
|
20.
436 + 270 =
2
706
|