Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
16 + 326 =
342
2
|
2.
135 + 844 =
2
979
|
3.
801 + 89 =
890
2
|
4.
413 – 68 =
345
2
|
|
5.
70 + 647 =
2
717
|
6.
988 + 9 =
997
2
|
7.
266 – 165 =
101
2
|
8.
795 – 29 =
766
2
|
|
9.
164 + 254 =
418
2
|
10.
241 + 295 =
2
536
|
11.
617 + 330 =
947
2
|
12.
704 – 553 =
151
2
|
|
13.
805 – 486 =
319
2
|
14.
436 – 258 =
178
2
|
15.
132 – 42 =
2
90
|
16.
993 + 7 =
2
1000
|
|
17.
236 – 0 =
2
236
|
18.
90 – 65 =
2
25
|
19.
684 – 155 =
529
2
|
20.
649 + 244 =
2
893
|