Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
626 + 29 =
655
2
|
2.
269 – 31 =
2
238
|
3.
36 – 20 =
16
2
|
4.
897 + 77 =
2
974
|
|
5.
967 – 52 =
2
915
|
6.
451 + 94 =
2
545
|
7.
187 + 266 =
453
2
|
8.
2 – 2 =
0
2
|
|
9.
61 – 9 =
2
52
|
10.
811 + 10 =
2
821
|
11.
483 + 513 =
2
996
|
12.
522 – 503 =
2
19
|
|
13.
185 – 149 =
2
36
|
14.
45 – 15 =
2
30
|
15.
916 – 280 =
2
636
|
16.
826 – 99 =
2
727
|
|
17.
875 + 82 =
2
957
|
18.
63 – 48 =
15
1
|
19.
728 + 172 =
900
2
|
20.
978 – 137 =
2
841
|