Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
831 – 667 =
3
4
164
2
|
2.
270 + 78 =
2
3
4
348
|
3.
525 – 493 =
2
3
4
32
|
4.
925 – 511 =
2
3
4
414
|
|
5.
661 + 142 =
803
3
4
2
|
6.
916 – 846 =
70
2
4
3
|
7.
908 – 82 =
3
4
2
826
|
8.
54 – 45 =
3
2
9
1
|
|
9.
446 – 98 =
348
3
2
4
|
10.
993 – 938 =
4
3
2
55
|
11.
38 – 17 =
21
3
2
4
|
12.
67 + 421 =
4
2
3
488
|
|
13.
408 – 223 =
3
4
2
185
|
14.
334 + 206 =
540
3
2
4
|
15.
705 + 17 =
3
2
722
4
|
16.
332 – 80 =
3
252
4
2
|
|
17.
175 – 161 =
1
2
3
14
|
18.
900 + 54 =
2
3
4
954
|
19.
6 + 610 =
2
4
3
616
|
20.
875 – 302 =
573
2
3
4
|