Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
507 + 374 =
3
2
4
881
|
2.
562 – 232 =
4
330
3
2
|
3.
428 + 48 =
4
3
476
2
|
4.
46 – 44 =
2
1
4
3
|
|
5.
193 – 179 =
3
1
2
14
|
6.
547 – 533 =
3
1
2
14
|
7.
490 + 36 =
526
3
2
4
|
8.
290 + 271 =
4
3
2
561
|
|
9.
956 – 922 =
4
2
3
34
|
10.
213 + 552 =
2
765
3
4
|
11.
959 + 33 =
4
2
3
992
|
12.
54 + 474 =
528
2
3
4
|
|
13.
497 + 22 =
519
3
2
4
|
14.
346 + 554 =
4
3
900
2
|
15.
387 – 288 =
4
99
2
3
|
16.
755 + 228 =
3
4
2
983
|
|
17.
385 + 9 =
4
3
394
2
|
18.
381 – 257 =
4
3
124
2
|
19.
82 + 152 =
2
234
3
4
|
20.
256 – 159 =
97
2
3
4
|