Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
786 + 10 =
796
3
4
2
|
2.
797 – 691 =
3
2
106
4
|
3.
820 + 90 =
3
2
4
910
|
4.
451 + 18 =
2
469
3
4
|
|
5.
768 + 111 =
879
3
2
4
|
6.
863 – 745 =
118
2
4
3
|
7.
78 + 860 =
3
4
2
938
|
8.
18 + 277 =
2
4
3
295
|
|
9.
19 + 393 =
2
4
412
3
|
10.
365 + 255 =
620
2
3
4
|
11.
29 + 621 =
3
650
2
4
|
12.
796 + 47 =
2
843
4
3
|
|
13.
162 – 130 =
32
4
3
2
|
14.
257 – 254 =
1
4
2
3
|
15.
231 + 473 =
4
3
2
704
|
16.
844 – 704 =
2
3
140
4
|
|
17.
383 + 216 =
2
599
4
3
|
18.
548 + 322 =
4
3
870
2
|
19.
23 + 783 =
806
2
3
4
|
20.
889 + 91 =
3
980
2
4
|