Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
298 – 294 =
4
2
3
1
|
2.
919 + 28 =
3
4
947
2
|
3.
531 – 124 =
2
3
4
407
|
4.
122 + 22 =
4
2
3
144
|
|
5.
865 – 248 =
2
3
617
4
|
6.
848 – 809 =
3
39
2
4
|
7.
136 – 119 =
2
3
17
4
|
8.
857 – 110 =
4
2
747
3
|
|
9.
839 – 605 =
3
2
234
4
|
10.
293 – 132 =
161
2
3
4
|
11.
13 + 326 =
339
3
4
2
|
12.
305 – 107 =
3
2
4
198
|
|
13.
25 + 220 =
2
245
4
3
|
14.
832 + 163 =
2
4
3
995
|
15.
191 – 58 =
2
3
4
133
|
16.
850 + 96 =
946
3
4
2
|
|
17.
662 – 444 =
4
218
3
2
|
18.
637 + 308 =
4
945
2
3
|
19.
179 + 793 =
4
972
3
2
|
20.
908 – 205 =
3
703
2
4
|