Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
641 + 82 =
4
2
723
3
|
2.
987 + 3 =
3
4
990
2
|
3.
357 + 604 =
3
961
4
2
|
4.
320 – 302 =
3
4
2
18
|
|
5.
637 – 252 =
3
2
4
385
|
6.
593 + 33 =
3
4
2
626
|
7.
55 – 9 =
4
46
2
3
|
8.
469 – 399 =
2
70
3
4
|
|
9.
465 – 240 =
2
4
225
3
|
10.
297 – 99 =
2
3
198
4
|
11.
850 – 750 =
4
100
2
3
|
12.
668 + 28 =
4
2
3
696
|
|
13.
92 – 70 =
4
3
22
2
|
14.
362 – 264 =
2
3
98
4
|
15.
524 + 439 =
4
3
2
963
|
16.
921 + 21 =
942
4
3
2
|
|
17.
248 – 164 =
2
3
84
4
|
18.
828 + 129 =
957
2
4
3
|
19.
566 + 33 =
3
4
599
2
|
20.
137 – 10 =
2
4
127
3
|