Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
137 – 92 =
45
3
4
2
|
2.
373 – 277 =
96
3
2
4
|
3.
288 + 635 =
923
4
2
3
|
4.
590 + 116 =
2
4
3
706
|
|
5.
942 + 51 =
993
2
4
3
|
6.
160 + 711 =
4
3
2
871
|
7.
240 + 477 =
2
4
3
717
|
8.
743 – 80 =
3
2
663
4
|
|
9.
942 – 241 =
4
701
2
3
|
10.
161 – 48 =
3
2
113
4
|
11.
298 – 87 =
3
4
211
2
|
12.
158 – 135 =
4
2
3
23
|
|
13.
269 – 50 =
2
219
4
3
|
14.
780 – 712 =
4
2
3
68
|
15.
220 + 407 =
4
627
3
2
|
16.
737 + 30 =
2
767
3
4
|
|
17.
19 – 14 =
5
1
3
2
|
18.
944 + 29 =
4
973
3
2
|
19.
332 + 636 =
2
4
968
3
|
20.
587 – 20 =
567
4
3
2
|