Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
714 – 197 =
4
2
3
517
|
2.
196 + 71 =
2
4
3
267
|
3.
800 – 721 =
4
2
3
79
|
4.
195 + 532 =
727
2
4
3
|
|
5.
755 + 229 =
984
3
4
2
|
6.
528 + 317 =
845
3
4
2
|
7.
375 + 493 =
4
3
868
2
|
8.
290 + 631 =
4
2
3
921
|
|
9.
173 + 570 =
743
2
4
3
|
10.
52 + 443 =
495
2
4
3
|
11.
429 – 51 =
378
3
4
2
|
12.
727 – 339 =
2
4
3
388
|
|
13.
857 + 67 =
2
4
3
924
|
14.
521 – 386 =
135
2
4
3
|
15.
448 – 106 =
2
4
342
3
|
16.
806 + 164 =
970
3
4
2
|
|
17.
656 + 0 =
2
656
3
4
|
18.
149 + 216 =
2
3
4
365
|
19.
564 – 306 =
3
2
4
258
|
20.
588 – 414 =
4
2
174
3
|