Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
104 + 113 =
217
4
3
2
|
2.
679 + 179 =
2
4
3
858
|
3.
836 – 255 =
4
3
2
581
|
4.
274 – 83 =
3
191
2
4
|
|
5.
915 – 195 =
3
4
720
2
|
6.
200 + 665 =
4
2
3
865
|
7.
798 + 198 =
4
3
996
2
|
8.
478 + 1 =
479
4
3
2
|
|
9.
491 + 324 =
2
4
3
815
|
10.
821 + 135 =
956
4
3
2
|
11.
797 – 196 =
3
4
601
2
|
12.
670 – 230 =
3
4
2
440
|
|
13.
280 – 228 =
4
3
52
2
|
14.
280 – 8 =
3
4
272
2
|
15.
988 – 970 =
18
3
4
2
|
16.
146 + 37 =
2
4
3
183
|
|
17.
687 – 633 =
2
3
4
54
|
18.
637 + 157 =
4
2
3
794
|
19.
760 + 222 =
4
982
2
3
|
20.
632 + 74 =
2
4
3
706
|