Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
157 – 82 =
75
4
2
3
|
2.
29 + 613 =
4
642
2
3
|
3.
251 – 15 =
236
2
4
3
|
4.
298 + 7 =
2
3
4
305
|
|
5.
214 + 638 =
2
3
4
852
|
6.
32 – 8 =
24
4
2
3
|
7.
961 + 9 =
3
4
970
2
|
8.
509 + 73 =
2
582
3
4
|
|
9.
312 + 274 =
3
4
2
586
|
10.
708 + 78 =
2
3
786
4
|
11.
40 + 790 =
830
3
2
4
|
12.
719 + 79 =
4
798
2
3
|
|
13.
128 + 86 =
3
2
4
214
|
14.
111 – 1 =
4
110
2
3
|
15.
232 + 553 =
2
785
4
3
|
16.
462 – 149 =
4
313
3
2
|
|
17.
790 + 77 =
867
2
4
3
|
18.
847 + 7 =
854
3
4
2
|
19.
995 + 0 =
4
3
995
2
|
20.
796 + 110 =
3
906
4
2
|