Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
80 + 556 =
4
3
2
636
|
2.
835 + 32 =
3
4
867
2
|
3.
151 – 92 =
2
4
3
59
|
4.
833 + 102 =
2
4
3
935
|
|
5.
78 + 514 =
592
3
2
4
|
6.
974 – 165 =
4
2
809
3
|
7.
748 + 16 =
764
4
3
2
|
8.
360 – 331 =
29
2
3
4
|
|
9.
365 – 327 =
2
38
3
4
|
10.
503 + 334 =
3
4
2
837
|
11.
215 – 54 =
4
3
2
161
|
12.
345 + 100 =
3
2
445
4
|
|
13.
8 + 852 =
860
4
3
2
|
14.
529 – 63 =
4
466
3
2
|
15.
981 + 0 =
981
3
2
4
|
16.
821 – 400 =
4
3
421
2
|
|
17.
486 + 89 =
4
575
3
2
|
18.
54 + 414 =
2
4
468
3
|
19.
544 + 169 =
4
3
2
713
|
20.
270 + 580 =
2
850
4
3
|