Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
471 + 133 =
604
2
3
4
|
2.
969 + 2 =
4
3
2
971
|
3.
536 – 535 =
1
2
3
4
|
4.
301 – 3 =
3
4
2
298
|
|
5.
924 + 56 =
4
2
980
3
|
6.
343 + 555 =
2
898
4
3
|
7.
433 – 76 =
2
3
357
4
|
8.
664 – 393 =
271
2
4
3
|
|
9.
655 – 278 =
3
2
4
377
|
10.
66 – 64 =
1
3
4
2
|
11.
965 – 793 =
172
4
3
2
|
12.
60 – 13 =
4
47
3
2
|
|
13.
591 – 549 =
4
3
2
42
|
14.
886 – 320 =
2
3
566
4
|
15.
269 – 42 =
227
2
3
4
|
16.
392 – 219 =
173
4
3
2
|
|
17.
194 – 153 =
2
41
4
3
|
18.
705 – 414 =
291
4
3
2
|
19.
98 – 25 =
3
73
4
2
|
20.
855 – 520 =
4
2
3
335
|