Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
121 + 632 =
3
2
753
4
|
2.
745 – 296 =
2
3
4
449
|
3.
594 – 288 =
306
4
3
2
|
4.
459 – 440 =
2
4
19
3
|
|
5.
853 + 55 =
2
908
4
3
|
6.
68 – 22 =
46
3
2
4
|
7.
791 + 209 =
2
4
3
1000
|
8.
387 + 533 =
3
2
920
4
|
|
9.
803 + 83 =
4
2
886
3
|
10.
1000 + 0 =
3
2
1000
4
|
11.
886 – 732 =
154
4
2
3
|
12.
196 + 519 =
715
2
4
3
|
|
13.
247 + 187 =
3
2
4
434
|
14.
113 – 24 =
3
4
2
89
|
15.
692 – 346 =
2
4
346
3
|
16.
889 – 459 =
4
2
3
430
|
|
17.
890 – 723 =
167
3
4
2
|
18.
666 + 223 =
3
2
4
889
|
19.
254 + 258 =
4
2
3
512
|
20.
529 + 240 =
769
2
3
4
|