Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
662 + 253 =
4
915
3
2
|
2.
447 – 222 =
4
2
225
3
|
3.
11 – 4 =
7
1
2
3
|
4.
109 – 58 =
4
51
2
3
|
|
5.
528 + 376 =
3
904
2
4
|
6.
448 – 211 =
3
237
4
2
|
7.
988 – 721 =
3
267
4
2
|
8.
681 – 482 =
4
2
3
199
|
|
9.
915 + 56 =
971
4
3
2
|
10.
457 – 281 =
2
3
176
4
|
11.
367 – 139 =
2
3
4
228
|
12.
767 + 61 =
828
2
4
3
|
|
13.
328 – 170 =
3
2
158
4
|
14.
354 + 185 =
3
2
4
539
|
15.
126 + 137 =
2
4
263
3
|
16.
551 – 61 =
490
3
2
4
|
|
17.
116 – 58 =
58
4
2
3
|
18.
885 – 282 =
4
2
603
3
|
19.
378 + 78 =
4
3
456
2
|
20.
459 + 523 =
982
2
3
4
|