Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
307 – 152 =
155
4
3
2
|
2.
765 + 1 =
2
3
4
766
|
3.
392 + 226 =
2
4
3
618
|
4.
946 – 727 =
2
219
4
3
|
|
5.
729 + 58 =
2
3
787
4
|
6.
285 + 482 =
4
767
2
3
|
7.
796 – 320 =
476
2
4
3
|
8.
282 – 42 =
2
3
4
240
|
|
9.
400 + 69 =
469
4
3
2
|
10.
22 + 606 =
3
2
4
628
|
11.
608 – 81 =
3
4
527
2
|
12.
615 – 527 =
4
3
88
2
|
|
13.
586 + 226 =
3
4
812
2
|
14.
289 – 231 =
4
58
3
2
|
15.
263 – 68 =
3
195
2
4
|
16.
88 – 66 =
22
2
4
3
|
|
17.
985 – 517 =
4
468
2
3
|
18.
285 – 170 =
115
2
3
4
|
19.
910 + 35 =
945
4
2
3
|
20.
591 + 21 =
2
3
612
4
|