Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
870 + 60 =
2
3
930
4
|
2.
13 + 652 =
4
2
665
3
|
3.
729 + 65 =
2
794
4
3
|
4.
847 – 526 =
3
321
2
4
|
|
5.
310 – 138 =
2
172
4
3
|
6.
788 + 110 =
898
3
4
2
|
7.
628 + 311 =
2
939
4
3
|
8.
91 + 582 =
3
2
673
4
|
|
9.
993 – 538 =
4
455
3
2
|
10.
953 – 664 =
4
2
3
289
|
11.
754 – 170 =
2
3
584
4
|
12.
895 + 28 =
2
3
923
4
|
|
13.
438 + 91 =
3
2
4
529
|
14.
5 – 5 =
0
3
2
4
|
15.
513 – 384 =
3
129
2
4
|
16.
483 – 43 =
440
3
2
4
|
|
17.
502 – 162 =
4
2
3
340
|
18.
22 – 9 =
1
3
2
13
|
19.
18 + 432 =
3
4
450
2
|
20.
340 – 158 =
4
2
182
3
|