Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
911 + 85 =
4
996
2
3
|
2.
614 – 197 =
2
4
3
417
|
3.
759 – 671 =
88
2
3
4
|
4.
360 + 25 =
2
4
385
3
|
|
5.
651 – 83 =
3
568
4
2
|
6.
941 + 54 =
4
2
995
3
|
7.
105 + 638 =
4
743
3
2
|
8.
812 – 517 =
3
2
4
295
|
|
9.
486 – 173 =
3
2
313
4
|
10.
486 + 204 =
2
690
4
3
|
11.
784 – 261 =
523
2
3
4
|
12.
238 + 438 =
4
2
3
676
|
|
13.
460 + 21 =
2
3
4
481
|
14.
683 + 264 =
4
947
2
3
|
15.
133 + 70 =
203
3
4
2
|
16.
519 – 295 =
4
2
3
224
|
|
17.
574 + 351 =
2
4
925
3
|
18.
110 – 8 =
4
102
2
3
|
19.
813 – 107 =
4
706
2
3
|
20.
122 – 54 =
2
68
3
4
|