Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
856 – 334 =
522
3
4
2
|
2.
502 – 216 =
4
3
2
286
|
3.
948 – 655 =
293
4
3
2
|
4.
733 – 244 =
2
489
3
4
|
|
5.
283 + 83 =
3
366
4
2
|
6.
253 + 468 =
3
4
2
721
|
7.
837 + 102 =
2
4
3
939
|
8.
441 – 431 =
10
3
2
1
|
|
9.
437 + 250 =
4
2
3
687
|
10.
76 – 58 =
3
2
4
18
|
11.
782 – 467 =
4
3
2
315
|
12.
595 + 69 =
3
4
2
664
|
|
13.
177 + 247 =
3
4
2
424
|
14.
382 – 161 =
4
3
2
221
|
15.
32 + 891 =
923
3
4
2
|
16.
932 + 25 =
4
2
957
3
|
|
17.
46 + 649 =
2
3
695
4
|
18.
662 – 602 =
4
60
2
3
|
19.
33 – 11 =
3
22
4
2
|
20.
547 – 123 =
4
2
424
3
|