Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
331 – 111 =
3
4
220
2
|
2.
443 – 327 =
116
4
3
2
|
3.
229 – 121 =
3
4
108
2
|
4.
101 + 155 =
3
4
2
256
|
|
5.
678 – 534 =
4
3
2
144
|
6.
912 – 27 =
3
885
4
2
|
7.
238 + 658 =
896
4
2
3
|
8.
634 + 92 =
3
2
4
726
|
|
9.
202 – 70 =
2
132
4
3
|
10.
841 – 181 =
3
4
2
660
|
11.
873 – 403 =
2
4
470
3
|
12.
847 + 106 =
3
953
4
2
|
|
13.
470 + 5 =
2
3
4
475
|
14.
423 + 79 =
2
502
3
4
|
15.
766 + 42 =
4
2
3
808
|
16.
503 + 18 =
3
4
521
2
|
|
17.
313 + 147 =
3
2
4
460
|
18.
273 + 488 =
761
4
3
2
|
19.
288 – 245 =
43
4
2
3
|
20.
552 + 294 =
3
846
2
4
|