Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
427 – 189 =
3
238
2
4
|
2.
762 – 110 =
4
652
2
3
|
3.
477 – 142 =
3
4
335
2
|
4.
713 + 12 =
4
725
3
2
|
|
5.
743 – 418 =
4
2
325
3
|
6.
315 + 366 =
2
3
681
4
|
7.
919 – 862 =
2
3
57
4
|
8.
600 + 354 =
3
2
954
4
|
|
9.
447 – 366 =
4
2
81
3
|
10.
324 – 77 =
247
2
3
4
|
11.
154 – 33 =
3
4
121
2
|
12.
501 + 322 =
3
4
2
823
|
|
13.
687 + 53 =
4
740
3
2
|
14.
50 + 869 =
919
2
3
4
|
15.
909 + 35 =
2
4
944
3
|
16.
222 – 136 =
3
2
4
86
|
|
17.
464 + 521 =
3
985
2
4
|
18.
592 + 164 =
2
4
756
3
|
19.
868 – 126 =
4
3
2
742
|
20.
29 + 751 =
3
780
4
2
|