Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
389 + 31 =
4
3
2
420
|
2.
778 – 30 =
4
748
3
2
|
3.
979 + 3 =
2
4
982
3
|
4.
259 – 185 =
4
3
74
2
|
|
5.
631 – 97 =
2
534
4
3
|
6.
628 + 198 =
826
2
3
4
|
7.
839 – 633 =
3
2
206
4
|
8.
20 – 10 =
10
2
3
1
|
|
9.
620 – 488 =
132
3
4
2
|
10.
592 + 196 =
4
3
788
2
|
11.
112 + 237 =
3
2
349
4
|
12.
410 + 94 =
3
2
4
504
|
|
13.
650 + 346 =
996
3
4
2
|
14.
72 + 217 =
3
289
4
2
|
15.
803 + 196 =
2
999
4
3
|
16.
230 + 433 =
663
4
2
3
|
|
17.
947 – 944 =
1
4
3
2
|
18.
879 + 74 =
953
4
2
3
|
19.
818 – 622 =
4
3
196
2
|
20.
324 – 89 =
2
4
235
3
|