Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
757 – 688 =
3
4
2
69
|
2.
754 – 430 =
3
324
4
2
|
3.
856 + 34 =
2
4
890
3
|
4.
505 – 349 =
4
156
2
3
|
|
5.
648 + 301 =
3
949
4
2
|
6.
160 – 146 =
14
3
2
1
|
7.
11 + 449 =
3
460
4
2
|
8.
419 + 191 =
610
4
2
3
|
|
9.
29 + 656 =
4
685
2
3
|
10.
518 + 123 =
2
641
3
4
|
11.
101 + 762 =
4
3
2
863
|
12.
737 – 711 =
2
26
4
3
|
|
13.
926 + 1 =
927
4
3
2
|
14.
296 + 700 =
4
2
996
3
|
15.
337 – 198 =
4
139
3
2
|
16.
690 + 207 =
897
4
2
3
|
|
17.
9 + 709 =
4
2
718
3
|
18.
485 – 22 =
2
4
3
463
|
19.
92 + 714 =
806
3
2
4
|
20.
566 + 21 =
4
3
2
587
|