Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
278 – 78 =
3
200
4
2
|
2.
178 – 42 =
2
136
3
4
|
3.
946 + 7 =
4
3
953
2
|
4.
115 + 705 =
4
820
3
2
|
|
5.
463 + 494 =
2
957
3
4
|
6.
472 – 117 =
355
2
3
4
|
7.
935 + 12 =
3
4
2
947
|
8.
721 + 173 =
2
4
3
894
|
|
9.
855 + 85 =
3
940
4
2
|
10.
428 – 267 =
2
4
161
3
|
11.
999 – 80 =
3
4
2
919
|
12.
352 + 584 =
936
4
3
2
|
|
13.
706 + 107 =
813
4
3
2
|
14.
202 – 13 =
2
189
3
4
|
15.
839 – 558 =
4
3
2
281
|
16.
480 – 81 =
3
2
4
399
|
|
17.
209 – 173 =
2
36
3
4
|
18.
618 + 203 =
2
3
821
4
|
19.
654 – 626 =
28
4
2
3
|
20.
335 – 56 =
279
3
2
4
|