Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
330 + 209 =
2
4
539
3
|
2.
328 – 174 =
3
4
2
154
|
3.
172 + 216 =
3
4
2
388
|
4.
651 – 150 =
2
4
3
501
|
|
5.
669 + 237 =
2
4
3
906
|
6.
316 – 182 =
3
2
134
4
|
7.
735 + 115 =
3
2
850
4
|
8.
232 – 66 =
4
166
3
2
|
|
9.
617 + 270 =
4
2
3
887
|
10.
377 – 251 =
3
2
4
126
|
11.
781 – 353 =
428
4
2
3
|
12.
353 – 90 =
263
2
4
3
|
|
13.
160 + 607 =
767
3
4
2
|
14.
857 – 113 =
2
3
4
744
|
15.
47 + 59 =
106
4
2
3
|
16.
983 + 11 =
2
4
994
3
|
|
17.
535 – 156 =
2
379
3
4
|
18.
582 + 86 =
2
668
3
4
|
19.
521 + 63 =
584
4
3
2
|
20.
926 – 124 =
802
3
4
2
|