Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
93 – 47 =
4
2
3
46
|
2.
37 – 3 =
4
2
34
3
|
3.
566 – 345 =
221
2
4
3
|
4.
889 + 41 =
4
2
930
3
|
|
5.
429 – 255 =
2
3
4
174
|
6.
30 + 872 =
4
2
902
3
|
7.
678 – 532 =
3
4
146
2
|
8.
31 – 8 =
4
23
2
3
|
|
9.
377 – 88 =
4
289
2
3
|
10.
151 – 151 =
4
2
3
0
|
11.
709 – 225 =
3
2
4
484
|
12.
634 – 175 =
4
3
2
459
|
|
13.
974 + 26 =
4
2
1000
3
|
14.
834 + 141 =
4
2
975
3
|
15.
494 + 402 =
2
4
3
896
|
16.
720 – 239 =
481
4
3
2
|
|
17.
690 + 77 =
3
2
4
767
|
18.
164 – 159 =
2
3
1
5
|
19.
993 – 972 =
4
3
2
21
|
20.
373 + 114 =
487
4
2
3
|