Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
266 – 228 =
4
38
2
3
|
2.
372 – 172 =
200
2
4
3
|
3.
624 + 215 =
4
3
2
839
|
4.
941 – 841 =
100
3
2
4
|
|
5.
153 – 85 =
4
2
3
68
|
6.
741 + 135 =
4
876
3
2
|
7.
518 – 39 =
4
3
2
479
|
8.
808 – 521 =
4
2
287
3
|
|
9.
885 – 872 =
3
13
2
1
|
10.
371 – 12 =
359
2
4
3
|
11.
149 – 140 =
3
9
2
1
|
12.
242 + 570 =
3
4
812
2
|
|
13.
748 + 199 =
3
2
947
4
|
14.
860 – 263 =
597
2
4
3
|
15.
47 + 542 =
589
2
3
4
|
16.
129 + 199 =
2
328
3
4
|
|
17.
582 – 72 =
510
2
3
4
|
18.
404 + 168 =
4
3
2
572
|
19.
997 + 2 =
2
3
999
4
|
20.
940 + 58 =
2
998
4
3
|