Supersnelle erbijsommen en erafsommen tot 1.000
In de mix
|
1.
207 + 550 =
4
3
2
757
|
2.
180 + 251 =
3
2
4
431
|
3.
362 + 545 =
4
907
2
3
|
4.
881 + 36 =
4
917
3
2
|
|
5.
397 + 335 =
732
2
4
3
|
6.
541 – 480 =
3
4
61
2
|
7.
354 – 52 =
2
4
302
3
|
8.
51 + 200 =
251
4
3
2
|
|
9.
999 – 651 =
2
348
3
4
|
10.
356 + 499 =
4
855
2
3
|
11.
114 – 16 =
2
3
4
98
|
12.
177 + 389 =
3
2
4
566
|
|
13.
394 + 438 =
3
832
2
4
|
14.
124 – 72 =
2
3
4
52
|
15.
550 – 356 =
194
2
3
4
|
16.
844 + 117 =
2
3
4
961
|
|
17.
488 – 273 =
215
4
2
3
|
18.
605 – 297 =
4
308
3
2
|
19.
548 – 61 =
4
3
2
487
|
20.
225 – 204 =
3
21
2
4
|