Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
906 + 67 =
3
973
2
4
|
2.
775 + 163 =
938
3
2
4
|
3.
922 – 190 =
732
2
3
4
|
4.
919 – 491 =
2
3
4
428
|
|
5.
9 + 968 =
4
3
2
977
|
6.
226 + 534 =
2
3
4
760
|
7.
47 + 124 =
171
3
4
2
|
8.
392 – 353 =
4
2
3
39
|
|
9.
280 + 11 =
3
4
291
2
|
10.
777 + 169 =
946
3
2
4
|
11.
70 + 58 =
3
4
128
2
|
12.
856 – 133 =
723
4
2
3
|
|
13.
688 + 225 =
2
4
913
3
|
14.
457 + 23 =
3
480
4
2
|
15.
503 – 287 =
2
216
3
4
|
16.
941 + 49 =
990
4
2
3
|
|
17.
95 + 873 =
4
3
968
2
|
18.
147 – 124 =
2
4
3
23
|
19.
951 – 893 =
58
4
3
2
|
20.
373 – 287 =
2
3
86
4
|