Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
630 – 317 =
3
313
4
2
|
2.
40 – 11 =
4
3
29
2
|
3.
306 + 199 =
3
2
4
505
|
4.
10 + 708 =
2
3
4
718
|
|
5.
855 + 32 =
887
3
4
2
|
6.
775 + 36 =
3
4
811
2
|
7.
151 + 54 =
2
4
3
205
|
8.
847 – 19 =
3
4
2
828
|
|
9.
895 – 169 =
726
4
3
2
|
10.
8 – 8 =
4
2
3
0
|
11.
419 + 101 =
520
2
4
3
|
12.
833 + 38 =
2
4
871
3
|
|
13.
56 + 935 =
991
4
3
2
|
14.
252 + 299 =
4
2
551
3
|
15.
295 + 633 =
928
2
4
3
|
16.
305 + 199 =
2
4
3
504
|
|
17.
824 + 78 =
2
902
3
4
|
18.
296 + 426 =
2
722
4
3
|
19.
959 – 633 =
3
4
326
2
|
20.
369 – 171 =
4
198
3
2
|