Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
392 – 348 =
3
44
2
4
|
2.
243 – 38 =
2
4
205
3
|
3.
434 – 96 =
4
2
3
338
|
4.
873 – 431 =
4
442
2
3
|
|
5.
592 – 359 =
3
2
233
4
|
6.
889 – 431 =
4
2
3
458
|
7.
196 + 685 =
4
2
3
881
|
8.
406 + 25 =
431
2
4
3
|
|
9.
616 – 485 =
4
2
3
131
|
10.
293 – 109 =
3
4
2
184
|
11.
364 + 158 =
522
3
2
4
|
12.
259 – 130 =
4
3
129
2
|
|
13.
855 – 828 =
2
4
27
3
|
14.
919 – 583 =
4
336
2
3
|
15.
143 + 733 =
3
876
2
4
|
16.
2 + 209 =
3
2
4
211
|
|
17.
188 – 103 =
2
3
4
85
|
18.
167 + 64 =
4
231
3
2
|
19.
977 + 2 =
2
4
3
979
|
20.
217 + 414 =
2
3
4
631
|