Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
792 – 149 =
3
2
643
4
|
2.
937 + 32 =
969
3
4
2
|
3.
231 – 129 =
2
4
102
3
|
4.
584 – 290 =
294
2
3
4
|
|
5.
371 + 285 =
3
4
656
2
|
6.
158 – 105 =
3
2
4
53
|
7.
212 – 104 =
4
2
108
3
|
8.
752 + 135 =
3
2
4
887
|
|
9.
589 + 317 =
4
906
3
2
|
10.
341 – 38 =
4
2
3
303
|
11.
247 + 647 =
2
894
4
3
|
12.
433 + 392 =
2
825
3
4
|
|
13.
161 – 152 =
1
9
3
2
|
14.
95 – 48 =
2
3
4
47
|
15.
736 + 224 =
4
2
960
3
|
16.
757 – 573 =
4
2
184
3
|
|
17.
920 + 55 =
975
2
4
3
|
18.
590 + 303 =
3
2
4
893
|
19.
123 + 533 =
3
4
2
656
|
20.
33 – 29 =
4
3
2
1
|