Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
459 – 292 =
3
4
167
2
|
2.
40 + 123 =
163
3
2
4
|
3.
572 + 22 =
4
2
3
594
|
4.
298 – 108 =
190
2
3
4
|
|
5.
22 – 21 =
4
1
3
2
|
6.
724 – 674 =
2
50
3
4
|
7.
621 – 540 =
4
2
81
3
|
8.
603 + 84 =
2
3
687
4
|
|
9.
446 + 234 =
2
4
680
3
|
10.
364 – 323 =
2
4
41
3
|
11.
583 + 369 =
4
3
2
952
|
12.
311 + 118 =
3
429
2
4
|
|
13.
325 + 49 =
374
4
3
2
|
14.
511 + 326 =
4
3
837
2
|
15.
411 – 104 =
4
2
3
307
|
16.
375 + 397 =
772
2
3
4
|
|
17.
979 + 20 =
2
3
999
4
|
18.
550 + 281 =
2
831
3
4
|
19.
478 – 25 =
453
2
4
3
|
20.
425 – 70 =
3
4
2
355
|