Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
780 – 207 =
573
4
2
3
|
2.
193 – 12 =
4
3
2
181
|
3.
419 + 103 =
3
522
2
4
|
4.
481 – 149 =
3
4
2
332
|
|
5.
732 – 99 =
3
2
4
633
|
6.
503 + 390 =
893
4
2
3
|
7.
641 – 64 =
3
4
577
2
|
8.
263 – 138 =
125
2
4
3
|
|
9.
7 + 735 =
2
3
742
4
|
10.
611 – 196 =
3
2
415
4
|
11.
478 + 11 =
4
2
3
489
|
12.
759 + 177 =
4
936
3
2
|
|
13.
941 + 59 =
2
1000
3
4
|
14.
348 – 337 =
11
3
2
1
|
15.
587 + 170 =
3
2
4
757
|
16.
232 + 647 =
4
3
879
2
|
|
17.
797 – 570 =
227
4
2
3
|
18.
352 + 547 =
2
3
899
4
|
19.
854 + 102 =
956
3
2
4
|
20.
5 – 3 =
2
4
3
1
|