Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
403 – 120 =
2
283
4
3
|
2.
827 – 295 =
2
532
3
4
|
3.
606 – 536 =
2
3
70
4
|
4.
897 + 31 =
2
928
3
4
|
|
5.
643 + 345 =
3
2
988
4
|
6.
122 + 316 =
4
438
2
3
|
7.
435 + 66 =
4
3
501
2
|
8.
270 + 2 =
4
272
3
2
|
|
9.
852 – 755 =
2
97
4
3
|
10.
394 + 211 =
2
4
3
605
|
11.
64 – 58 =
6
2
1
3
|
12.
397 + 418 =
4
2
3
815
|
|
13.
737 + 37 =
3
2
4
774
|
14.
750 + 228 =
2
3
978
4
|
15.
833 – 588 =
4
2
245
3
|
16.
293 – 271 =
2
4
22
3
|
|
17.
916 – 509 =
407
4
2
3
|
18.
181 + 809 =
4
990
3
2
|
19.
742 + 171 =
4
3
913
2
|
20.
798 – 202 =
2
596
3
4
|