Oefenen met erbij en eraf tot 1.000
In de mix
|
1.
268 + 369 =
3
637
4
2
|
2.
518 + 351 =
4
3
2
869
|
3.
4 + 54 =
3
4
58
2
|
4.
905 + 42 =
2
4
947
3
|
|
5.
304 + 666 =
3
2
4
970
|
6.
922 – 224 =
3
4
698
2
|
7.
946 – 491 =
455
3
2
4
|
8.
254 + 226 =
3
4
2
480
|
|
9.
577 – 440 =
2
137
3
4
|
10.
392 + 128 =
2
4
3
520
|
11.
119 + 586 =
2
4
705
3
|
12.
25 – 25 =
4
2
0
3
|
|
13.
495 + 323 =
3
2
4
818
|
14.
699 + 164 =
4
3
2
863
|
15.
765 + 153 =
4
918
3
2
|
16.
915 – 154 =
761
2
3
4
|
|
17.
73 – 66 =
3
2
7
1
|
18.
809 + 50 =
859
4
2
3
|
19.
327 + 103 =
430
2
3
4
|
20.
260 + 575 =
3
835
4
2
|