Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
993 – 801 =
4
2
192
3
|
2.
405 + 34 =
439
2
3
4
|
3.
365 + 24 =
4
3
2
389
|
4.
894 + 28 =
3
4
2
922
|
|
5.
240 + 401 =
2
4
641
3
|
6.
55 – 12 =
4
43
3
2
|
7.
777 – 663 =
4
2
114
3
|
8.
491 + 68 =
3
2
4
559
|
|
9.
962 + 34 =
4
996
3
2
|
10.
279 + 491 =
4
770
3
2
|
11.
818 – 453 =
365
2
3
4
|
12.
899 – 497 =
2
4
3
402
|
|
13.
67 + 485 =
552
3
4
2
|
14.
937 + 48 =
2
4
985
3
|
15.
305 – 109 =
2
3
196
4
|
16.
696 – 313 =
2
3
383
4
|
|
17.
708 – 407 =
4
301
3
2
|
18.
683 – 90 =
593
4
2
3
|
19.
976 – 616 =
4
360
2
3
|
20.
554 – 240 =
2
3
314
4
|