Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
364 – 346 =
3
18
2
4
|
2.
246 + 7 =
3
4
2
253
|
3.
402 – 396 =
6
1
3
2
|
4.
488 – 280 =
208
3
2
4
|
|
5.
482 + 457 =
4
939
3
2
|
6.
900 + 98 =
4
998
2
3
|
7.
546 – 98 =
4
2
448
3
|
8.
150 + 422 =
3
572
2
4
|
|
9.
637 – 334 =
4
303
2
3
|
10.
602 – 53 =
3
2
4
549
|
11.
227 + 701 =
3
2
928
4
|
12.
136 – 110 =
3
4
26
2
|
|
13.
778 + 72 =
2
4
850
3
|
14.
335 – 209 =
3
126
2
4
|
15.
233 + 363 =
4
2
3
596
|
16.
753 – 105 =
4
648
3
2
|
|
17.
962 + 16 =
4
2
3
978
|
18.
954 – 457 =
3
497
4
2
|
19.
118 + 783 =
2
901
3
4
|
20.
400 + 249 =
4
3
649
2
|