Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
837 + 12 =
4
2
849
3
|
2.
449 – 178 =
2
4
3
271
|
3.
796 + 49 =
845
3
4
2
|
4.
973 – 823 =
3
4
150
2
|
|
5.
232 – 154 =
78
3
4
2
|
6.
405 + 57 =
462
3
4
2
|
7.
831 + 29 =
4
860
2
3
|
8.
256 – 1 =
3
4
255
2
|
|
9.
827 + 9 =
836
3
4
2
|
10.
301 – 4 =
4
3
2
297
|
11.
441 + 311 =
3
2
4
752
|
12.
682 + 29 =
2
4
3
711
|
|
13.
918 + 12 =
930
4
3
2
|
14.
752 + 247 =
999
2
3
4
|
15.
960 – 73 =
3
4
887
2
|
16.
101 + 675 =
3
776
4
2
|
|
17.
237 + 89 =
326
2
3
4
|
18.
627 + 291 =
4
3
918
2
|
19.
930 – 709 =
3
2
221
4
|
20.
525 – 71 =
3
2
4
454
|