Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
182 – 38 =
144
4
3
2
|
2.
182 – 53 =
3
129
2
4
|
3.
243 + 93 =
4
2
336
3
|
4.
817 – 193 =
624
2
4
3
|
|
5.
925 – 150 =
2
3
775
4
|
6.
313 + 376 =
689
2
3
4
|
7.
374 – 159 =
3
215
2
4
|
8.
393 – 51 =
2
342
4
3
|
|
9.
511 + 390 =
4
2
901
3
|
10.
883 + 21 =
2
4
3
904
|
11.
173 – 161 =
12
3
1
2
|
12.
180 + 504 =
4
3
2
684
|
|
13.
664 + 133 =
4
3
797
2
|
14.
367 – 299 =
4
2
3
68
|
15.
101 – 95 =
3
2
1
6
|
16.
525 – 212 =
4
2
3
313
|
|
17.
612 + 327 =
4
939
2
3
|
18.
209 – 205 =
4
1
2
3
|
19.
535 + 170 =
705
3
4
2
|
20.
439 – 204 =
235
3
4
2
|