Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
123 + 278 =
2
401
|
2.
678 – 507 =
2
171
|
3.
978 + 22 =
2
1000
|
4.
253 – 223 =
30
2
|
|
5.
152 + 334 =
2
486
|
6.
400 – 80 =
320
2
|
7.
728 – 621 =
107
2
|
8.
31 + 668 =
2
699
|
|
9.
343 + 427 =
770
2
|
10.
821 + 89 =
910
2
|
11.
479 – 213 =
2
266
|
12.
999 + 1 =
1000
2
|
|
13.
824 – 132 =
692
2
|
14.
694 + 84 =
2
778
|
15.
394 + 568 =
2
962
|
16.
162 + 480 =
2
642
|
|
17.
256 – 170 =
2
86
|
18.
919 – 460 =
459
2
|
19.
491 + 315 =
2
806
|
20.
938 – 79 =
859
2
|