Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
275 – 163 =
112
4
3
2
|
2.
812 – 755 =
2
57
4
3
|
3.
926 + 4 =
3
2
4
930
|
4.
835 – 490 =
345
4
2
3
|
|
5.
550 + 345 =
2
3
895
4
|
6.
973 – 175 =
3
4
2
798
|
7.
274 + 699 =
3
973
2
4
|
8.
612 + 214 =
826
3
2
4
|
|
9.
198 + 518 =
716
3
4
2
|
10.
61 – 10 =
3
2
4
51
|
11.
838 + 146 =
4
2
984
3
|
12.
369 – 297 =
72
2
3
4
|
|
13.
908 – 142 =
766
3
2
4
|
14.
583 + 83 =
4
2
3
666
|
15.
891 – 234 =
3
4
657
2
|
16.
138 + 338 =
4
3
476
2
|
|
17.
323 – 240 =
2
83
4
3
|
18.
772 – 450 =
2
322
4
3
|
19.
998 – 24 =
2
3
4
974
|
20.
136 + 295 =
2
431
4
3
|