Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
678 – 675 =
2
3
1
4
|
2.
771 – 131 =
2
640
3
4
|
3.
782 + 29 =
2
811
4
3
|
4.
600 + 170 =
4
3
770
2
|
|
5.
375 – 293 =
2
3
4
82
|
6.
457 – 73 =
3
2
384
4
|
7.
425 + 213 =
2
4
638
3
|
8.
913 + 66 =
979
2
3
4
|
|
9.
527 + 417 =
2
3
4
944
|
10.
347 – 127 =
2
3
220
4
|
11.
936 + 8 =
3
4
944
2
|
12.
950 + 28 =
3
978
2
4
|
|
13.
630 – 454 =
4
3
176
2
|
14.
508 – 424 =
3
84
2
4
|
15.
969 – 818 =
151
3
2
4
|
16.
892 – 313 =
579
2
3
4
|
|
17.
494 + 138 =
3
4
2
632
|
18.
77 + 263 =
2
4
340
3
|
19.
266 + 156 =
4
3
2
422
|
20.
460 + 374 =
834
2
3
4
|