Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
358 + 614 =
972
2
|
2.
844 – 676 =
2
168
|
3.
967 – 482 =
2
485
|
4.
125 – 25 =
100
2
|
|
5.
702 + 79 =
2
781
|
6.
936 + 56 =
992
2
|
7.
328 + 499 =
827
2
|
8.
83 + 537 =
620
2
|
|
9.
437 – 437 =
2
0
|
10.
996 – 656 =
340
2
|
11.
406 – 96 =
2
310
|
12.
126 + 819 =
945
2
|
|
13.
75 – 69 =
1
6
|
14.
343 – 48 =
2
295
|
15.
306 + 358 =
2
664
|
16.
742 – 363 =
2
379
|
|
17.
537 – 243 =
2
294
|
18.
939 + 44 =
983
2
|
19.
876 + 10 =
2
886
|
20.
390 + 465 =
2
855
|