Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
808 – 198 =
4
2
3
610
|
2.
782 + 117 =
3
2
4
899
|
3.
635 + 170 =
3
2
805
4
|
4.
269 + 400 =
3
2
669
4
|
|
5.
817 + 39 =
4
2
3
856
|
6.
817 + 23 =
3
4
840
2
|
7.
208 – 191 =
4
3
17
2
|
8.
478 + 284 =
762
2
4
3
|
|
9.
757 – 148 =
2
609
3
4
|
10.
276 – 235 =
4
2
41
3
|
11.
983 – 94 =
4
889
2
3
|
12.
507 + 311 =
818
4
2
3
|
|
13.
989 + 7 =
4
3
2
996
|
14.
93 – 75 =
3
4
2
18
|
15.
962 – 108 =
854
2
4
3
|
16.
438 – 12 =
426
4
3
2
|
|
17.
173 – 169 =
1
4
3
2
|
18.
635 – 236 =
2
399
4
3
|
19.
402 – 97 =
4
305
3
2
|
20.
822 – 199 =
3
2
623
4
|