Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
502 + 408 =
4
3
910
2
|
2.
329 – 164 =
4
3
165
2
|
3.
329 + 509 =
2
4
838
3
|
4.
618 – 134 =
484
3
2
4
|
|
5.
600 – 537 =
2
63
3
4
|
6.
888 – 382 =
4
2
3
506
|
7.
562 + 246 =
3
4
2
808
|
8.
578 + 297 =
4
875
3
2
|
|
9.
899 – 856 =
3
4
2
43
|
10.
82 + 523 =
2
3
605
4
|
11.
212 + 154 =
3
2
4
366
|
12.
291 + 548 =
839
2
4
3
|
|
13.
822 + 88 =
910
4
2
3
|
14.
660 – 652 =
8
2
1
3
|
15.
977 + 7 =
2
984
4
3
|
16.
261 – 92 =
3
4
169
2
|
|
17.
564 – 324 =
4
3
240
2
|
18.
822 + 89 =
2
4
911
3
|
19.
151 – 1 =
150
3
4
2
|
20.
631 + 89 =
2
4
3
720
|