Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
628 – 542 =
86
4
2
3
|
2.
707 + 105 =
3
812
2
4
|
3.
836 + 47 =
883
3
2
4
|
4.
225 + 627 =
852
4
2
3
|
|
5.
474 + 446 =
920
4
3
2
|
6.
271 + 331 =
602
2
4
3
|
7.
611 – 263 =
2
4
3
348
|
8.
216 + 330 =
2
546
3
4
|
|
9.
184 – 67 =
117
4
3
2
|
10.
989 + 1 =
4
990
3
2
|
11.
389 + 271 =
3
660
4
2
|
12.
692 – 364 =
328
2
4
3
|
|
13.
43 – 3 =
4
2
3
40
|
14.
289 – 253 =
36
2
3
4
|
15.
528 + 269 =
2
797
4
3
|
16.
534 + 67 =
601
4
2
3
|
|
17.
818 + 48 =
2
3
866
4
|
18.
784 + 128 =
4
912
2
3
|
19.
392 + 43 =
2
4
435
3
|
20.
978 + 22 =
3
1000
2
4
|