Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
40 + 801 =
4
2
3
841
|
2.
706 + 250 =
956
3
4
2
|
3.
777 – 724 =
4
3
2
53
|
4.
693 + 219 =
4
3
2
912
|
|
5.
233 – 76 =
2
157
4
3
|
6.
682 + 145 =
3
2
827
4
|
7.
855 + 47 =
902
3
4
2
|
8.
321 – 140 =
2
4
3
181
|
|
9.
210 – 138 =
2
72
3
4
|
10.
289 – 251 =
4
38
3
2
|
11.
248 – 53 =
4
195
2
3
|
12.
386 – 353 =
3
4
2
33
|
|
13.
715 + 78 =
3
2
4
793
|
14.
891 + 17 =
908
4
3
2
|
15.
327 – 283 =
3
2
4
44
|
16.
155 + 566 =
721
4
2
3
|
|
17.
752 – 502 =
250
2
4
3
|
18.
563 + 336 =
3
4
2
899
|
19.
999 + 0 =
999
4
3
2
|
20.
948 – 133 =
2
4
3
815
|