Los de erbijsom en erafsom tot 1.000 op
In de mix
|
1.
678 + 186 =
2
3
4
864
|
2.
507 + 356 =
3
2
4
863
|
3.
637 + 358 =
995
4
3
2
|
4.
263 + 466 =
729
4
3
2
|
|
5.
677 – 350 =
4
327
2
3
|
6.
829 + 34 =
2
4
863
3
|
7.
349 – 142 =
3
207
2
4
|
8.
534 + 256 =
4
3
2
790
|
|
9.
803 + 127 =
4
3
2
930
|
10.
368 + 500 =
2
3
868
4
|
11.
221 + 512 =
2
4
3
733
|
12.
297 + 502 =
799
4
2
3
|
|
13.
851 – 34 =
4
3
817
2
|
14.
687 – 213 =
3
2
4
474
|
15.
179 – 8 =
171
2
4
3
|
16.
838 – 646 =
3
4
2
192
|
|
17.
537 + 356 =
3
893
2
4
|
18.
213 – 187 =
4
26
2
3
|
19.
303 – 28 =
4
3
2
275
|
20.
256 + 743 =
3
4
999
2
|