Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
325 – 279 =
4
2
46
3
|
2.
146 – 100 =
2
3
46
4
|
3.
612 + 75 =
3
4
687
2
|
4.
52 – 1 =
51
2
4
3
|
|
5.
643 + 6 =
2
4
3
649
|
6.
309 – 35 =
3
274
4
2
|
7.
609 + 221 =
2
830
3
4
|
8.
436 – 410 =
3
4
26
2
|
|
9.
225 + 288 =
513
3
2
4
|
10.
501 + 165 =
666
2
3
4
|
11.
211 + 31 =
3
242
4
2
|
12.
70 – 9 =
2
4
3
61
|
|
13.
98 + 791 =
3
4
889
2
|
14.
663 – 631 =
2
4
32
3
|
15.
688 – 47 =
641
4
2
3
|
16.
958 – 459 =
4
499
2
3
|
|
17.
12 – 8 =
3
1
4
2
|
18.
217 – 210 =
3
7
1
2
|
19.
797 – 0 =
4
2
3
797
|
20.
633 + 146 =
779
2
3
4
|