Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
612 – 55 =
3
557
2
4
|
2.
95 – 68 =
3
2
27
4
|
3.
468 + 32 =
500
4
2
3
|
4.
361 – 249 =
3
4
112
2
|
|
5.
848 – 352 =
3
496
4
2
|
6.
174 – 49 =
4
125
3
2
|
7.
739 + 53 =
3
792
2
4
|
8.
178 – 29 =
4
3
149
2
|
|
9.
22 – 13 =
9
1
2
3
|
10.
320 – 23 =
2
4
3
297
|
11.
613 + 181 =
2
3
794
4
|
12.
318 + 204 =
4
3
522
2
|
|
13.
2 – 0 =
2
3
4
1
|
14.
398 – 332 =
3
2
66
4
|
15.
477 – 73 =
404
4
3
2
|
16.
808 + 91 =
2
3
899
4
|
|
17.
997 – 531 =
4
2
466
3
|
18.
219 + 164 =
383
2
4
3
|
19.
512 – 278 =
2
234
3
4
|
20.
978 + 15 =
3
4
2
993
|