Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
816 – 14 =
4
2
802
3
|
2.
761 – 157 =
2
4
604
3
|
3.
317 – 316 =
4
3
2
1
|
4.
131 – 121 =
3
10
1
2
|
|
5.
571 + 56 =
3
2
4
627
|
6.
783 + 49 =
4
2
3
832
|
7.
639 – 168 =
471
4
3
2
|
8.
538 + 312 =
2
3
4
850
|
|
9.
63 + 268 =
4
2
3
331
|
10.
440 + 442 =
2
882
3
4
|
11.
18 – 12 =
3
2
6
1
|
12.
430 – 179 =
251
3
2
4
|
|
13.
339 + 539 =
2
3
4
878
|
14.
668 – 289 =
3
379
2
4
|
15.
244 + 585 =
829
4
3
2
|
16.
158 – 152 =
3
1
6
2
|
|
17.
602 + 254 =
3
856
2
4
|
18.
242 – 154 =
3
2
4
88
|
19.
414 + 560 =
2
3
974
4
|
20.
472 – 271 =
201
2
4
3
|