Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
991 – 889 =
4
102
2
3
|
2.
960 – 759 =
4
2
3
201
|
3.
189 + 266 =
4
2
455
3
|
4.
579 + 169 =
2
3
748
4
|
|
5.
633 + 272 =
3
4
905
2
|
6.
960 – 132 =
3
4
2
828
|
7.
97 – 91 =
1
6
3
2
|
8.
445 – 51 =
4
3
2
394
|
|
9.
113 – 78 =
4
3
35
2
|
10.
422 + 266 =
2
688
3
4
|
11.
432 + 219 =
3
4
651
2
|
12.
832 – 72 =
760
3
4
2
|
|
13.
631 – 380 =
4
251
3
2
|
14.
701 – 502 =
4
199
3
2
|
15.
15 + 710 =
4
2
3
725
|
16.
285 + 409 =
4
2
3
694
|
|
17.
862 + 16 =
2
4
878
3
|
18.
603 + 75 =
678
3
2
4
|
19.
100 + 744 =
3
844
2
4
|
20.
70 – 63 =
3
2
7
1
|