Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
200 + 192 =
392
2
|
2.
580 – 552 =
28
2
|
3.
456 + 192 =
2
648
|
4.
423 + 361 =
784
2
|
|
5.
570 – 518 =
52
2
|
6.
448 + 387 =
835
2
|
7.
529 + 377 =
906
2
|
8.
109 – 5 =
104
2
|
|
9.
683 + 217 =
900
2
|
10.
40 + 737 =
2
777
|
11.
703 + 293 =
996
2
|
12.
151 – 132 =
19
2
|
|
13.
282 + 44 =
2
326
|
14.
158 + 699 =
857
2
|
15.
422 – 58 =
364
2
|
16.
566 – 508 =
2
58
|
|
17.
977 + 14 =
991
2
|
18.
976 + 0 =
976
2
|
19.
141 + 90 =
231
2
|
20.
835 + 159 =
994
2
|