Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
412 + 491 =
2
903
|
2.
823 + 32 =
855
2
|
3.
995 + 3 =
2
998
|
4.
328 – 80 =
248
2
|
|
5.
709 + 207 =
916
2
|
6.
305 + 471 =
776
2
|
7.
768 – 607 =
2
161
|
8.
777 + 52 =
2
829
|
|
9.
543 + 20 =
563
2
|
10.
539 + 420 =
959
2
|
11.
594 + 383 =
2
977
|
12.
321 – 16 =
2
305
|
|
13.
667 + 255 =
922
2
|
14.
438 – 50 =
2
388
|
15.
295 – 152 =
2
143
|
16.
441 + 145 =
2
586
|
|
17.
246 + 20 =
266
2
|
18.
46 + 199 =
2
245
|
19.
920 – 617 =
2
303
|
20.
124 – 89 =
2
35
|