Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
356 + 224 =
3
580
2
4
|
2.
258 – 137 =
3
2
121
4
|
3.
266 – 148 =
3
118
2
4
|
4.
311 + 1 =
312
2
3
4
|
|
5.
529 – 203 =
2
4
3
326
|
6.
256 + 435 =
2
691
4
3
|
7.
662 + 278 =
2
940
3
4
|
8.
901 + 91 =
4
3
2
992
|
|
9.
651 + 99 =
2
750
4
3
|
10.
523 + 400 =
3
4
923
2
|
11.
661 + 174 =
3
2
835
4
|
12.
557 – 319 =
4
3
2
238
|
|
13.
4 – 4 =
3
4
2
0
|
14.
243 + 213 =
456
3
2
4
|
15.
842 + 1 =
2
3
4
843
|
16.
671 + 69 =
4
3
2
740
|
|
17.
420 – 383 =
2
3
4
37
|
18.
545 – 413 =
2
132
4
3
|
19.
578 – 191 =
3
4
387
2
|
20.
721 + 275 =
3
996
2
4
|