Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
857 – 384 =
3
473
2
4
|
2.
43 – 9 =
4
3
34
2
|
3.
788 – 413 =
375
3
2
4
|
4.
58 – 50 =
8
3
1
2
|
|
5.
665 – 346 =
2
319
3
4
|
6.
727 – 538 =
4
3
189
2
|
7.
175 – 12 =
2
163
3
4
|
8.
715 – 332 =
2
3
383
4
|
|
9.
842 – 748 =
94
4
2
3
|
10.
580 – 243 =
4
2
3
337
|
11.
573 + 334 =
4
3
907
2
|
12.
161 – 81 =
3
2
4
80
|
|
13.
81 + 843 =
924
2
3
4
|
14.
160 + 531 =
3
691
2
4
|
15.
195 + 187 =
4
3
382
2
|
16.
237 – 236 =
3
1
4
2
|
|
17.
492 – 284 =
208
3
4
2
|
18.
505 – 100 =
3
405
2
4
|
19.
201 + 187 =
388
4
2
3
|
20.
222 + 683 =
3
2
905
4
|