Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
640 – 131 =
3
4
2
509
|
2.
70 – 41 =
3
2
29
4
|
3.
623 – 188 =
3
4
435
2
|
4.
944 + 23 =
3
2
4
967
|
|
5.
400 – 151 =
3
4
2
249
|
6.
744 + 158 =
4
2
3
902
|
7.
112 – 68 =
2
4
44
3
|
8.
372 + 250 =
3
622
2
4
|
|
9.
507 – 49 =
458
3
4
2
|
10.
784 – 543 =
3
2
4
241
|
11.
111 + 422 =
3
4
533
2
|
12.
989 – 104 =
3
4
2
885
|
|
13.
577 + 100 =
677
3
2
4
|
14.
52 – 1 =
51
2
3
4
|
15.
930 – 78 =
3
852
2
4
|
16.
325 – 295 =
30
2
4
3
|
|
17.
571 + 207 =
3
778
2
4
|
18.
804 + 7 =
3
4
2
811
|
19.
311 – 208 =
3
103
2
4
|
20.
581 + 5 =
3
4
586
2
|