Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
669 + 168 =
837
2
|
2.
16 – 8 =
1
8
|
3.
984 – 566 =
2
418
|
4.
674 + 126 =
800
2
|
|
5.
387 + 590 =
977
2
|
6.
6 – 3 =
3
1
|
7.
515 – 135 =
2
380
|
8.
396 – 358 =
38
2
|
|
9.
966 + 3 =
969
2
|
10.
529 + 115 =
2
644
|
11.
583 + 180 =
763
2
|
12.
8 + 424 =
432
2
|
|
13.
570 + 245 =
2
815
|
14.
981 – 685 =
2
296
|
15.
143 + 579 =
2
722
|
16.
695 + 183 =
2
878
|
|
17.
597 + 15 =
612
2
|
18.
687 – 144 =
543
2
|
19.
208 + 738 =
2
946
|
20.
338 – 33 =
305
2
|