Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
476 + 195 =
671
4
3
2
|
2.
507 + 377 =
4
2
3
884
|
3.
282 + 439 =
4
2
3
721
|
4.
927 – 620 =
2
3
4
307
|
|
5.
373 + 624 =
2
4
997
3
|
6.
758 – 737 =
2
3
21
4
|
7.
918 – 86 =
2
4
832
3
|
8.
369 – 172 =
2
3
4
197
|
|
9.
776 – 523 =
3
2
253
4
|
10.
187 – 21 =
166
3
2
4
|
11.
767 + 221 =
2
988
3
4
|
12.
334 + 346 =
4
680
2
3
|
|
13.
240 + 729 =
4
2
969
3
|
14.
507 – 109 =
3
4
398
2
|
15.
724 – 605 =
4
2
3
119
|
16.
771 + 183 =
954
4
2
3
|
|
17.
21 + 495 =
3
4
516
2
|
18.
813 + 40 =
3
2
4
853
|
19.
150 – 105 =
4
3
2
45
|
20.
937 – 104 =
833
3
4
2
|