Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
579 – 355 =
2
3
4
224
|
2.
895 – 557 =
4
3
338
2
|
3.
69 + 343 =
412
2
4
3
|
4.
909 + 48 =
3
2
4
957
|
|
5.
738 – 494 =
2
244
3
4
|
6.
711 + 241 =
2
3
952
4
|
7.
4 + 68 =
72
2
3
4
|
8.
591 – 95 =
496
2
3
4
|
|
9.
285 – 202 =
3
2
4
83
|
10.
345 – 168 =
177
2
4
3
|
11.
70 + 218 =
4
288
3
2
|
12.
830 + 144 =
974
2
4
3
|
|
13.
176 – 87 =
89
3
2
4
|
14.
275 + 688 =
4
963
3
2
|
15.
113 – 92 =
2
21
3
4
|
16.
755 – 75 =
680
4
2
3
|
|
17.
772 – 663 =
109
3
4
2
|
18.
741 – 319 =
4
2
422
3
|
19.
652 – 549 =
4
103
2
3
|
20.
552 + 367 =
4
919
2
3
|