Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
792 + 48 =
3
840
4
2
|
2.
574 + 19 =
2
3
4
593
|
3.
631 + 49 =
2
4
680
3
|
4.
593 – 10 =
4
2
583
3
|
|
5.
956 – 284 =
2
3
4
672
|
6.
672 + 17 =
2
689
4
3
|
7.
506 + 71 =
577
4
3
2
|
8.
862 – 193 =
3
669
4
2
|
|
9.
289 + 451 =
740
4
3
2
|
10.
643 + 237 =
4
3
2
880
|
11.
926 – 629 =
4
297
3
2
|
12.
54 + 140 =
3
4
194
2
|
|
13.
240 – 197 =
3
2
43
4
|
14.
402 + 93 =
2
495
3
4
|
15.
670 + 209 =
879
2
4
3
|
16.
58 – 11 =
2
47
4
3
|
|
17.
696 + 93 =
3
4
789
2
|
18.
264 – 240 =
4
2
3
24
|
19.
306 + 630 =
2
4
3
936
|
20.
209 + 131 =
4
3
340
2
|