Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
100 + 64 =
3
2
164
4
|
2.
433 – 306 =
2
127
4
3
|
3.
537 – 249 =
288
4
2
3
|
4.
36 – 32 =
1
3
4
2
|
|
5.
96 – 33 =
63
4
2
3
|
6.
714 + 140 =
2
4
3
854
|
7.
102 + 315 =
4
2
417
3
|
8.
597 + 156 =
753
3
2
4
|
|
9.
617 – 352 =
2
265
3
4
|
10.
809 + 80 =
3
889
2
4
|
11.
468 – 40 =
4
3
428
2
|
12.
861 + 46 =
4
907
3
2
|
|
13.
270 + 373 =
643
3
4
2
|
14.
247 + 669 =
916
2
3
4
|
15.
357 + 176 =
533
4
2
3
|
16.
5 – 0 =
5
2
3
1
|
|
17.
411 – 10 =
2
4
401
3
|
18.
8 – 0 =
8
2
3
1
|
19.
505 – 380 =
4
2
3
125
|
20.
860 – 225 =
4
635
2
3
|