Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
97 + 51 =
3
4
2
148
|
2.
817 – 432 =
3
385
4
2
|
3.
579 – 98 =
4
3
2
481
|
4.
316 + 159 =
475
4
2
3
|
|
5.
61 – 9 =
52
3
4
2
|
6.
169 + 280 =
3
2
4
449
|
7.
948 – 250 =
698
4
3
2
|
8.
479 + 24 =
503
2
4
3
|
|
9.
442 + 480 =
2
4
922
3
|
10.
623 + 205 =
2
828
3
4
|
11.
774 + 135 =
4
2
909
3
|
12.
993 – 734 =
3
259
4
2
|
|
13.
654 + 259 =
2
4
3
913
|
14.
8 + 100 =
2
108
4
3
|
15.
777 – 743 =
4
3
34
2
|
16.
947 – 120 =
3
827
2
4
|
|
17.
62 + 184 =
246
3
2
4
|
18.
531 – 250 =
4
2
3
281
|
19.
396 – 359 =
3
4
2
37
|
20.
71 – 37 =
4
2
3
34
|