Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
42 – 30 =
2
1
12
3
|
2.
488 – 340 =
2
4
3
148
|
3.
439 + 188 =
4
3
627
2
|
4.
341 – 130 =
2
3
211
4
|
|
5.
667 + 273 =
2
940
4
3
|
6.
271 + 71 =
4
2
3
342
|
7.
764 – 51 =
713
4
2
3
|
8.
879 + 71 =
2
3
4
950
|
|
9.
914 + 83 =
3
4
997
2
|
10.
603 + 150 =
4
2
753
3
|
11.
841 + 85 =
2
3
4
926
|
12.
450 + 258 =
3
4
2
708
|
|
13.
628 + 319 =
2
4
947
3
|
14.
330 – 77 =
2
3
4
253
|
15.
997 – 189 =
808
4
3
2
|
16.
910 – 670 =
2
240
4
3
|
|
17.
768 + 139 =
3
4
2
907
|
18.
437 + 523 =
960
3
2
4
|
19.
470 + 364 =
2
3
4
834
|
20.
872 + 121 =
2
993
4
3
|