Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
107 + 31 =
3
138
2
4
|
2.
696 + 142 =
4
3
2
838
|
3.
937 + 23 =
3
960
2
4
|
4.
345 + 5 =
3
4
350
2
|
|
5.
450 + 529 =
2
4
3
979
|
6.
524 – 222 =
302
3
4
2
|
7.
127 – 96 =
4
31
2
3
|
8.
678 + 117 =
2
4
3
795
|
|
9.
911 – 151 =
3
4
760
2
|
10.
722 + 3 =
3
4
725
2
|
11.
964 + 10 =
3
974
2
4
|
12.
820 + 22 =
842
2
4
3
|
|
13.
557 – 60 =
497
2
3
4
|
14.
478 + 516 =
3
994
4
2
|
15.
382 – 169 =
2
213
4
3
|
16.
967 + 2 =
2
969
3
4
|
|
17.
603 – 546 =
4
3
57
2
|
18.
516 + 348 =
4
2
3
864
|
19.
707 – 455 =
3
2
252
4
|
20.
801 + 111 =
4
912
3
2
|