Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
426 + 6 =
3
4
2
432
|
2.
757 + 28 =
4
3
785
2
|
3.
33 – 15 =
2
18
4
3
|
4.
148 + 105 =
253
2
4
3
|
|
5.
505 – 309 =
196
3
2
4
|
6.
947 + 41 =
4
988
3
2
|
7.
329 – 132 =
2
4
197
3
|
8.
217 + 661 =
2
4
3
878
|
|
9.
7 + 470 =
3
2
477
4
|
10.
870 – 632 =
2
238
4
3
|
11.
186 – 155 =
3
2
4
31
|
12.
801 – 371 =
4
430
2
3
|
|
13.
215 – 8 =
2
3
4
207
|
14.
44 + 239 =
3
283
4
2
|
15.
556 – 278 =
278
2
3
4
|
16.
546 + 136 =
682
3
2
4
|
|
17.
996 + 1 =
2
3
997
4
|
18.
98 + 23 =
4
2
121
3
|
19.
662 + 275 =
3
4
937
2
|
20.
562 + 263 =
4
825
2
3
|