Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
842 + 52 =
2
3
894
4
|
2.
880 + 33 =
2
3
4
913
|
3.
611 + 109 =
4
2
3
720
|
4.
561 + 89 =
650
2
3
4
|
|
5.
838 – 615 =
4
3
223
2
|
6.
928 + 45 =
3
4
973
2
|
7.
471 + 140 =
4
3
2
611
|
8.
905 – 702 =
203
3
2
4
|
|
9.
980 – 200 =
2
4
780
3
|
10.
950 + 32 =
4
982
2
3
|
11.
915 + 61 =
976
4
3
2
|
12.
89 – 38 =
51
3
2
4
|
|
13.
859 + 105 =
964
3
2
4
|
14.
402 – 231 =
171
3
2
4
|
15.
540 + 192 =
4
732
2
3
|
16.
27 + 318 =
4
345
2
3
|
|
17.
511 – 47 =
2
3
464
4
|
18.
717 – 11 =
3
2
4
706
|
19.
896 – 229 =
3
2
4
667
|
20.
197 – 118 =
3
79
4
2
|