Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
633 – 606 =
3
27
2
4
|
2.
674 + 85 =
759
3
4
2
|
3.
539 + 139 =
3
2
678
4
|
4.
244 + 461 =
4
3
2
705
|
|
5.
831 + 64 =
4
895
2
3
|
6.
976 – 253 =
3
4
723
2
|
7.
263 + 644 =
4
3
2
907
|
8.
782 – 775 =
1
2
7
3
|
|
9.
714 + 45 =
4
2
759
3
|
10.
986 + 14 =
2
1000
4
3
|
11.
621 – 285 =
4
2
336
3
|
12.
364 – 74 =
3
4
290
2
|
|
13.
902 + 45 =
947
2
3
4
|
14.
879 + 58 =
2
937
3
4
|
15.
263 + 201 =
464
2
3
4
|
16.
182 + 381 =
563
2
3
4
|
|
17.
356 + 439 =
795
3
4
2
|
18.
514 – 359 =
4
155
3
2
|
19.
972 + 26 =
2
4
3
998
|
20.
466 – 94 =
3
4
372
2
|