Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
973 – 695 =
2
4
278
3
|
2.
346 + 294 =
3
2
4
640
|
3.
310 + 408 =
718
3
2
4
|
4.
981 + 2 =
3
4
983
2
|
|
5.
860 + 126 =
3
2
986
4
|
6.
51 – 20 =
3
31
2
4
|
7.
904 + 71 =
2
3
4
975
|
8.
659 + 134 =
793
3
4
2
|
|
9.
831 + 13 =
4
844
3
2
|
10.
910 + 90 =
2
3
4
1000
|
11.
947 – 508 =
439
3
2
4
|
12.
682 – 457 =
4
3
2
225
|
|
13.
46 – 13 =
3
4
33
2
|
14.
164 + 46 =
2
4
3
210
|
15.
130 + 707 =
2
4
3
837
|
16.
568 + 157 =
2
725
3
4
|
|
17.
236 + 218 =
3
454
4
2
|
18.
296 + 456 =
4
2
752
3
|
19.
795 – 320 =
3
2
475
4
|
20.
344 – 36 =
4
3
308
2
|