Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
732 – 41 =
4
2
3
691
|
2.
413 + 419 =
3
832
4
2
|
3.
797 + 12 =
809
3
4
2
|
4.
876 – 705 =
2
3
4
171
|
|
5.
370 + 491 =
3
4
2
861
|
6.
842 + 2 =
3
2
4
844
|
7.
379 + 569 =
948
4
3
2
|
8.
987 – 166 =
3
2
4
821
|
|
9.
102 + 482 =
4
584
3
2
|
10.
382 – 119 =
4
2
3
263
|
11.
887 + 72 =
959
2
4
3
|
12.
77 + 672 =
2
4
749
3
|
|
13.
693 + 221 =
2
3
914
4
|
14.
809 – 777 =
32
3
4
2
|
15.
454 + 433 =
3
4
887
2
|
16.
755 – 91 =
3
4
664
2
|
|
17.
150 + 69 =
219
2
3
4
|
18.
565 – 42 =
3
4
523
2
|
19.
982 + 7 =
4
2
3
989
|
20.
554 + 162 =
4
2
716
3
|