Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
599 – 584 =
3
1
15
2
|
2.
407 + 571 =
4
2
3
978
|
3.
589 – 95 =
3
494
4
2
|
4.
317 + 366 =
2
3
683
4
|
|
5.
82 + 607 =
3
689
2
4
|
6.
176 + 147 =
3
2
323
4
|
7.
398 + 171 =
3
2
4
569
|
8.
692 + 211 =
903
3
4
2
|
|
9.
80 + 480 =
2
560
3
4
|
10.
797 – 766 =
2
3
4
31
|
11.
832 – 519 =
313
3
2
4
|
12.
790 – 759 =
2
3
31
4
|
|
13.
719 – 440 =
3
279
4
2
|
14.
738 – 601 =
3
4
137
2
|
15.
991 + 0 =
991
3
2
4
|
16.
207 – 58 =
4
2
149
3
|
|
17.
228 + 535 =
2
4
763
3
|
18.
201 + 689 =
4
2
3
890
|
19.
322 + 574 =
3
4
896
2
|
20.
476 – 224 =
4
2
252
3
|