Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
222 – 208 =
2
3
14
1
|
2.
703 – 311 =
3
4
2
392
|
3.
798 – 724 =
74
3
4
2
|
4.
738 + 237 =
975
4
2
3
|
|
5.
931 + 33 =
964
4
3
2
|
6.
807 – 452 =
2
355
4
3
|
7.
365 + 537 =
2
902
3
4
|
8.
864 – 298 =
4
566
3
2
|
|
9.
163 + 475 =
2
3
638
4
|
10.
944 – 252 =
692
2
3
4
|
11.
224 – 67 =
3
4
2
157
|
12.
864 + 15 =
4
2
879
3
|
|
13.
627 + 88 =
3
4
715
2
|
14.
873 + 50 =
923
3
2
4
|
15.
208 + 55 =
3
2
4
263
|
16.
377 + 227 =
604
4
2
3
|
|
17.
885 + 59 =
3
2
944
4
|
18.
702 – 250 =
2
4
3
452
|
19.
659 + 18 =
2
4
3
677
|
20.
871 – 22 =
4
849
3
2
|