Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
87 – 81 =
2
3
1
6
|
2.
287 – 214 =
2
4
73
3
|
3.
595 – 386 =
3
2
4
209
|
4.
163 + 444 =
2
4
607
3
|
|
5.
264 – 204 =
60
4
3
2
|
6.
81 + 354 =
2
4
435
3
|
7.
55 – 11 =
3
44
2
4
|
8.
957 + 36 =
4
2
993
3
|
|
9.
492 + 280 =
2
772
4
3
|
10.
327 – 106 =
221
2
4
3
|
11.
864 – 290 =
2
3
4
574
|
12.
229 – 68 =
3
2
4
161
|
|
13.
282 – 14 =
268
2
3
4
|
14.
613 – 381 =
4
2
232
3
|
15.
416 – 103 =
3
4
2
313
|
16.
531 + 193 =
724
2
3
4
|
|
17.
20 + 207 =
4
3
227
2
|
18.
659 – 344 =
3
315
2
4
|
19.
215 – 33 =
4
2
182
3
|
20.
791 – 171 =
3
4
620
2
|