Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
261 – 247 =
2
3
14
1
|
2.
556 – 174 =
3
4
2
382
|
3.
618 + 269 =
887
3
2
4
|
4.
373 + 422 =
795
3
2
4
|
|
5.
431 – 137 =
3
4
2
294
|
6.
235 – 46 =
4
2
3
189
|
7.
906 + 81 =
2
987
3
4
|
8.
575 – 215 =
2
3
4
360
|
|
9.
488 + 242 =
4
2
3
730
|
10.
53 + 303 =
3
356
4
2
|
11.
938 + 44 =
982
3
2
4
|
12.
852 + 23 =
3
875
2
4
|
|
13.
435 – 184 =
2
3
251
4
|
14.
814 + 94 =
4
3
908
2
|
15.
566 + 423 =
989
4
3
2
|
16.
436 + 332 =
3
2
4
768
|
|
17.
614 – 499 =
4
3
2
115
|
18.
200 + 362 =
562
4
3
2
|
19.
254 + 141 =
395
4
2
3
|
20.
226 – 53 =
3
4
173
2
|