Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
256 – 141 =
115
4
2
3
|
2.
82 – 47 =
3
2
35
4
|
3.
818 + 154 =
3
2
972
4
|
4.
922 + 67 =
3
4
2
989
|
|
5.
4 – 0 =
4
2
1
3
|
6.
715 – 254 =
461
3
4
2
|
7.
700 + 296 =
996
4
3
2
|
8.
852 + 60 =
4
912
3
2
|
|
9.
422 – 288 =
3
134
4
2
|
10.
271 + 386 =
2
4
3
657
|
11.
185 – 3 =
182
4
3
2
|
12.
727 – 222 =
3
4
2
505
|
|
13.
918 – 704 =
3
4
214
2
|
14.
441 + 67 =
4
2
3
508
|
15.
684 – 123 =
3
561
2
4
|
16.
432 – 100 =
3
2
332
4
|
|
17.
80 + 550 =
630
4
3
2
|
18.
1000 + 0 =
2
4
3
1000
|
19.
574 – 108 =
2
3
466
4
|
20.
934 + 22 =
4
956
3
2
|