Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
823 – 766 =
4
2
3
57
|
2.
422 – 402 =
4
2
20
3
|
3.
671 + 179 =
4
850
3
2
|
4.
769 + 64 =
4
833
3
2
|
|
5.
739 + 252 =
2
4
3
991
|
6.
910 – 110 =
4
800
2
3
|
7.
457 + 177 =
634
3
2
4
|
8.
481 – 299 =
4
2
3
182
|
|
9.
677 – 584 =
3
93
2
4
|
10.
746 – 200 =
2
4
3
546
|
11.
139 – 11 =
4
2
128
3
|
12.
137 – 135 =
1
4
2
3
|
|
13.
255 + 109 =
3
364
2
4
|
14.
749 – 433 =
3
4
316
2
|
15.
437 + 460 =
897
4
2
3
|
16.
783 – 504 =
2
3
279
4
|
|
17.
162 + 615 =
3
4
2
777
|
18.
989 – 234 =
3
2
755
4
|
19.
706 – 548 =
4
2
3
158
|
20.
140 + 488 =
2
4
628
3
|