Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
257 + 693 =
4
950
2
3
|
2.
783 + 184 =
967
2
3
4
|
3.
840 – 452 =
388
4
2
3
|
4.
12 – 5 =
1
7
2
3
|
|
5.
746 – 128 =
3
2
4
618
|
6.
484 – 349 =
3
135
4
2
|
7.
565 + 282 =
847
3
4
2
|
8.
653 + 34 =
3
2
687
4
|
|
9.
648 + 84 =
2
3
732
4
|
10.
52 + 318 =
3
2
370
4
|
11.
28 + 264 =
4
2
292
3
|
12.
249 + 396 =
3
2
645
4
|
|
13.
286 – 251 =
35
2
3
4
|
14.
443 – 83 =
4
2
3
360
|
15.
227 + 262 =
2
4
3
489
|
16.
441 – 39 =
4
402
2
3
|
|
17.
77 – 61 =
2
4
16
3
|
18.
646 – 33 =
2
3
613
4
|
19.
113 – 10 =
4
3
103
2
|
20.
124 – 20 =
4
104
3
2
|