Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
893 – 391 =
2
502
|
2.
258 – 28 =
230
2
|
3.
999 + 1 =
2
1000
|
4.
755 – 270 =
485
2
|
|
5.
477 + 91 =
2
568
|
6.
109 – 16 =
2
93
|
7.
227 – 76 =
2
151
|
8.
278 – 207 =
71
2
|
|
9.
388 – 342 =
2
46
|
10.
338 – 178 =
2
160
|
11.
693 – 524 =
2
169
|
12.
268 + 18 =
286
2
|
|
13.
456 – 66 =
2
390
|
14.
43 – 23 =
2
20
|
15.
69 + 908 =
2
977
|
16.
629 + 60 =
2
689
|
|
17.
117 + 142 =
259
2
|
18.
693 + 93 =
786
2
|
19.
268 + 653 =
921
2
|
20.
862 – 580 =
2
282
|