Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
826 – 79 =
4
3
747
2
|
2.
664 – 360 =
304
4
3
2
|
3.
768 – 694 =
3
4
74
2
|
4.
311 + 589 =
2
900
3
4
|
|
5.
330 – 287 =
43
4
3
2
|
6.
730 – 52 =
2
4
3
678
|
7.
641 – 12 =
4
3
629
2
|
8.
24 + 389 =
2
4
413
3
|
|
9.
271 + 62 =
333
2
4
3
|
10.
262 + 583 =
845
4
3
2
|
11.
925 – 318 =
4
3
2
607
|
12.
745 + 253 =
4
2
3
998
|
|
13.
991 – 839 =
2
3
4
152
|
14.
789 – 522 =
3
267
4
2
|
15.
143 + 23 =
166
2
4
3
|
16.
929 + 2 =
3
931
2
4
|
|
17.
888 + 85 =
4
3
973
2
|
18.
1 – 0 =
1
2
4
3
|
19.
429 – 354 =
3
75
4
2
|
20.
777 + 61 =
2
3
4
838
|