Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
145 – 58 =
4
87
2
3
|
2.
882 + 77 =
4
3
2
959
|
3.
721 + 36 =
757
2
3
4
|
4.
276 – 24 =
4
252
3
2
|
|
5.
790 – 779 =
1
3
2
11
|
6.
728 – 237 =
3
491
2
4
|
7.
591 – 587 =
1
4
2
3
|
8.
778 + 192 =
3
4
2
970
|
|
9.
966 – 609 =
3
4
357
2
|
10.
491 + 275 =
4
3
2
766
|
11.
585 – 52 =
4
3
2
533
|
12.
440 + 117 =
557
3
2
4
|
|
13.
361 – 279 =
4
3
82
2
|
14.
95 – 39 =
56
4
3
2
|
15.
322 – 2 =
3
4
320
2
|
16.
588 – 329 =
4
3
2
259
|
|
17.
464 – 87 =
2
4
3
377
|
18.
788 + 175 =
963
3
4
2
|
19.
144 + 81 =
4
225
3
2
|
20.
406 – 7 =
4
399
3
2
|