Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
532 + 342 =
3
4
2
874
|
2.
392 – 362 =
3
2
4
30
|
3.
960 – 205 =
755
4
2
3
|
4.
972 – 829 =
2
143
4
3
|
|
5.
819 + 41 =
2
4
860
3
|
6.
453 + 243 =
696
4
2
3
|
7.
108 + 627 =
4
3
2
735
|
8.
257 + 155 =
3
412
4
2
|
|
9.
221 – 153 =
68
2
4
3
|
10.
35 – 23 =
2
12
1
3
|
11.
542 – 328 =
4
2
214
3
|
12.
39 – 25 =
14
2
3
1
|
|
13.
364 – 343 =
21
2
3
4
|
14.
510 + 160 =
4
3
670
2
|
15.
329 – 32 =
4
297
3
2
|
16.
524 + 269 =
793
4
3
2
|
|
17.
711 + 73 =
4
2
3
784
|
18.
24 – 3 =
4
3
21
2
|
19.
337 + 325 =
4
3
2
662
|
20.
93 – 67 =
3
4
2
26
|