Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
102 + 112 =
214
3
2
4
|
2.
409 + 26 =
435
2
4
3
|
3.
544 – 81 =
463
2
4
3
|
4.
371 – 132 =
2
3
239
4
|
|
5.
116 + 200 =
4
2
3
316
|
6.
692 + 139 =
831
3
2
4
|
7.
420 + 577 =
3
4
2
997
|
8.
720 + 194 =
4
914
3
2
|
|
9.
181 – 170 =
3
2
11
1
|
10.
449 – 441 =
1
3
2
8
|
11.
267 + 525 =
792
4
2
3
|
12.
452 – 56 =
3
2
4
396
|
|
13.
878 + 51 =
4
3
2
929
|
14.
148 + 703 =
2
4
3
851
|
15.
482 – 141 =
341
2
3
4
|
16.
765 – 460 =
2
4
3
305
|
|
17.
376 – 267 =
3
2
4
109
|
18.
824 + 21 =
2
4
3
845
|
19.
547 + 387 =
3
4
2
934
|
20.
16 – 11 =
3
1
2
5
|