Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
432 + 115 =
2
547
|
2.
528 – 25 =
2
503
|
3.
802 + 10 =
812
2
|
4.
424 + 572 =
996
2
|
|
5.
569 + 46 =
2
615
|
6.
302 – 213 =
2
89
|
7.
442 + 547 =
2
989
|
8.
472 – 196 =
276
2
|
|
9.
254 + 134 =
2
388
|
10.
717 + 19 =
2
736
|
11.
732 + 86 =
818
2
|
12.
520 – 383 =
137
2
|
|
13.
217 + 402 =
2
619
|
14.
158 – 143 =
15
1
|
15.
975 + 1 =
2
976
|
16.
53 – 10 =
43
2
|
|
17.
434 – 297 =
2
137
|
18.
229 – 79 =
150
2
|
19.
169 – 13 =
156
2
|
20.
21 – 2 =
2
19
|