Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
729 – 25 =
3
2
4
704
|
2.
362 – 323 =
2
4
39
3
|
3.
800 – 304 =
4
496
3
2
|
4.
130 + 611 =
4
2
741
3
|
|
5.
318 – 122 =
4
3
2
196
|
6.
959 – 663 =
3
4
296
2
|
7.
43 – 9 =
3
34
2
4
|
8.
3 – 3 =
0
2
3
4
|
|
9.
100 + 437 =
3
537
4
2
|
10.
269 + 396 =
2
3
665
4
|
11.
28 – 9 =
2
19
4
3
|
12.
56 + 166 =
2
222
3
4
|
|
13.
671 + 73 =
744
2
3
4
|
14.
278 + 109 =
387
4
2
3
|
15.
891 – 104 =
787
4
3
2
|
16.
922 + 5 =
4
2
3
927
|
|
17.
937 – 262 =
675
4
3
2
|
18.
434 – 386 =
48
2
3
4
|
19.
778 – 273 =
4
505
3
2
|
20.
542 + 358 =
900
3
4
2
|