Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
861 – 604 =
257
2
3
4
|
2.
874 – 666 =
4
208
2
3
|
3.
129 + 569 =
698
4
3
2
|
4.
116 – 75 =
41
2
3
4
|
|
5.
168 + 98 =
4
266
3
2
|
6.
624 + 8 =
3
4
2
632
|
7.
861 + 86 =
4
947
3
2
|
8.
689 – 379 =
3
4
310
2
|
|
9.
959 + 4 =
3
963
2
4
|
10.
514 – 323 =
3
2
191
4
|
11.
255 – 62 =
193
4
2
3
|
12.
742 – 141 =
601
4
3
2
|
|
13.
851 + 45 =
4
3
2
896
|
14.
395 – 176 =
2
219
4
3
|
15.
144 + 243 =
387
4
3
2
|
16.
401 – 317 =
84
2
4
3
|
|
17.
362 + 551 =
3
4
2
913
|
18.
244 + 441 =
3
2
4
685
|
19.
584 – 243 =
4
2
3
341
|
20.
832 + 23 =
4
2
855
3
|