Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
501 + 51 =
4
552
3
2
|
2.
949 + 18 =
967
4
3
2
|
3.
517 – 343 =
174
4
2
3
|
4.
452 + 10 =
462
3
4
2
|
|
5.
201 + 322 =
4
3
2
523
|
6.
450 + 365 =
4
3
815
2
|
7.
459 – 97 =
3
2
362
4
|
8.
523 – 318 =
2
205
4
3
|
|
9.
632 + 165 =
3
2
4
797
|
10.
220 – 66 =
3
2
154
4
|
11.
585 – 280 =
4
305
3
2
|
12.
274 – 179 =
4
2
95
3
|
|
13.
306 + 523 =
3
4
829
2
|
14.
70 + 257 =
2
327
4
3
|
15.
447 – 41 =
4
3
2
406
|
16.
388 – 229 =
4
2
3
159
|
|
17.
101 – 70 =
31
3
4
2
|
18.
901 + 82 =
3
983
4
2
|
19.
684 + 27 =
4
3
711
2
|
20.
585 + 0 =
4
2
585
3
|