Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
495 + 428 =
2
923
|
2.
993 + 3 =
996
2
|
3.
99 + 180 =
279
2
|
4.
792 + 162 =
954
2
|
|
5.
584 – 522 =
62
2
|
6.
272 – 117 =
2
155
|
7.
613 + 373 =
986
2
|
8.
693 + 245 =
938
2
|
|
9.
29 – 11 =
2
18
|
10.
19 – 18 =
2
1
|
11.
637 + 171 =
808
2
|
12.
566 + 138 =
704
2
|
|
13.
999 – 465 =
534
2
|
14.
989 – 597 =
392
2
|
15.
580 + 20 =
600
2
|
16.
939 + 22 =
961
2
|
|
17.
173 + 365 =
2
538
|
18.
78 + 572 =
2
650
|
19.
246 + 190 =
2
436
|
20.
326 + 626 =
952
2
|