Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
681 – 266 =
415
2
3
4
|
2.
707 + 218 =
3
4
2
925
|
3.
247 – 234 =
1
2
13
3
|
4.
959 + 31 =
2
3
4
990
|
|
5.
951 + 27 =
2
3
978
4
|
6.
753 + 98 =
851
3
2
4
|
7.
229 – 13 =
216
2
4
3
|
8.
870 – 139 =
4
2
731
3
|
|
9.
272 + 523 =
4
3
2
795
|
10.
721 + 154 =
875
3
2
4
|
11.
985 + 7 =
4
992
3
2
|
12.
504 – 462 =
2
4
3
42
|
|
13.
888 – 883 =
1
3
5
2
|
14.
60 – 23 =
2
4
37
3
|
15.
789 + 15 =
804
4
3
2
|
16.
944 – 94 =
4
3
2
850
|
|
17.
265 – 94 =
4
2
3
171
|
18.
949 – 18 =
4
931
2
3
|
19.
748 + 156 =
4
2
3
904
|
20.
833 – 98 =
735
4
3
2
|