Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
543 + 98 =
2
641
|
2.
919 – 377 =
542
2
|
3.
844 + 8 =
852
2
|
4.
208 + 696 =
904
2
|
|
5.
108 + 576 =
2
684
|
6.
767 + 47 =
2
814
|
7.
312 – 55 =
2
257
|
8.
808 – 40 =
768
2
|
|
9.
69 + 904 =
2
973
|
10.
302 + 527 =
2
829
|
11.
754 – 96 =
658
2
|
12.
505 – 469 =
36
2
|
|
13.
52 – 32 =
2
20
|
14.
194 + 298 =
2
492
|
15.
248 – 122 =
2
126
|
16.
414 – 86 =
2
328
|
|
17.
97 + 439 =
2
536
|
18.
833 + 128 =
961
2
|
19.
174 – 110 =
64
2
|
20.
307 + 22 =
329
2
|