Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
256 – 169 =
2
87
|
2.
46 – 22 =
24
2
|
3.
333 + 222 =
555
2
|
4.
776 + 12 =
2
788
|
|
5.
477 – 473 =
1
4
|
6.
394 + 137 =
531
2
|
7.
574 + 353 =
2
927
|
8.
558 + 127 =
685
2
|
|
9.
847 – 154 =
693
2
|
10.
922 – 402 =
2
520
|
11.
638 + 120 =
758
2
|
12.
436 + 122 =
2
558
|
|
13.
311 + 421 =
2
732
|
14.
198 + 738 =
2
936
|
15.
56 + 792 =
848
2
|
16.
691 + 232 =
923
2
|
|
17.
620 + 115 =
2
735
|
18.
154 – 25 =
2
129
|
19.
746 – 261 =
485
2
|
20.
677 + 48 =
725
2
|