Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
33 + 74 =
3
107
4
2
|
2.
442 – 373 =
2
69
3
4
|
3.
587 – 449 =
4
138
3
2
|
4.
274 + 2 =
3
4
2
276
|
|
5.
603 – 137 =
4
2
466
3
|
6.
137 – 48 =
89
3
2
4
|
7.
216 + 103 =
2
319
3
4
|
8.
786 + 11 =
797
2
4
3
|
|
9.
979 – 513 =
466
3
2
4
|
10.
54 + 345 =
4
2
3
399
|
11.
850 + 24 =
4
3
2
874
|
12.
149 + 428 =
3
4
2
577
|
|
13.
4 + 493 =
4
2
3
497
|
14.
798 + 122 =
4
920
3
2
|
15.
854 + 7 =
4
3
2
861
|
16.
706 – 217 =
489
3
4
2
|
|
17.
685 + 303 =
2
988
4
3
|
18.
475 – 369 =
106
2
3
4
|
19.
852 + 102 =
4
2
954
3
|
20.
3 + 182 =
3
4
185
2
|