Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
781 + 94 =
875
2
|
2.
1000 + 0 =
1000
2
|
3.
791 + 78 =
2
869
|
4.
596 – 438 =
2
158
|
|
5.
808 + 33 =
2
841
|
6.
89 – 44 =
2
45
|
7.
903 + 43 =
946
2
|
8.
750 + 242 =
2
992
|
|
9.
485 – 362 =
123
2
|
10.
768 – 536 =
2
232
|
11.
287 + 333 =
2
620
|
12.
335 + 644 =
979
2
|
|
13.
10 + 553 =
2
563
|
14.
123 – 43 =
80
2
|
15.
824 + 107 =
2
931
|
16.
419 + 577 =
996
2
|
|
17.
141 – 86 =
55
2
|
18.
132 – 64 =
68
2
|
19.
629 – 576 =
53
2
|
20.
44 – 6 =
38
2
|