Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
607 + 380 =
2
987
4
3
|
2.
380 – 151 =
229
3
2
4
|
3.
137 + 460 =
3
2
4
597
|
4.
568 + 29 =
2
597
3
4
|
|
5.
842 – 527 =
315
2
3
4
|
6.
153 + 238 =
3
4
2
391
|
7.
346 + 94 =
3
4
2
440
|
8.
482 + 468 =
4
3
2
950
|
|
9.
919 – 170 =
749
2
3
4
|
10.
486 + 143 =
2
629
4
3
|
11.
225 + 354 =
2
4
579
3
|
12.
44 – 33 =
1
2
3
11
|
|
13.
549 + 122 =
2
4
3
671
|
14.
387 – 284 =
4
103
3
2
|
15.
650 – 327 =
3
2
4
323
|
16.
469 – 114 =
3
4
2
355
|
|
17.
234 – 25 =
4
2
209
3
|
18.
726 – 514 =
4
212
2
3
|
19.
969 + 11 =
3
2
4
980
|
20.
335 – 313 =
3
2
4
22
|