Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
173 + 767 =
3
4
940
2
|
2.
510 – 211 =
299
3
4
2
|
3.
339 – 86 =
3
2
4
253
|
4.
750 – 651 =
3
4
99
2
|
|
5.
382 – 24 =
358
2
3
4
|
6.
264 – 109 =
3
4
155
2
|
7.
747 + 201 =
2
948
3
4
|
8.
733 + 44 =
2
4
3
777
|
|
9.
523 + 115 =
2
638
4
3
|
10.
96 + 374 =
2
470
3
4
|
11.
134 + 612 =
3
4
746
2
|
12.
397 + 324 =
2
4
721
3
|
|
13.
681 + 226 =
907
3
4
2
|
14.
1 – 1 =
0
4
2
3
|
15.
334 – 197 =
137
3
2
4
|
16.
768 – 762 =
1
2
6
3
|
|
17.
718 + 174 =
4
892
2
3
|
18.
231 – 102 =
129
2
4
3
|
19.
82 – 46 =
4
2
36
3
|
20.
256 + 97 =
3
4
2
353
|