Erbij en eraf tot 1.000
In de mix
|
1.
774 – 375 =
2
399
|
2.
140 + 103 =
243
2
|
3.
816 + 39 =
855
2
|
4.
328 – 137 =
2
191
|
|
5.
210 + 9 =
219
2
|
6.
300 + 585 =
885
2
|
7.
904 + 28 =
2
932
|
8.
239 + 596 =
2
835
|
|
9.
224 – 112 =
112
2
|
10.
905 – 434 =
2
471
|
11.
638 + 235 =
873
2
|
12.
815 – 49 =
2
766
|
|
13.
547 – 298 =
249
2
|
14.
510 – 62 =
2
448
|
15.
863 + 54 =
2
917
|
16.
577 + 173 =
750
2
|
|
17.
30 + 397 =
2
427
|
18.
370 – 266 =
104
2
|
19.
812 + 129 =
941
2
|
20.
91 + 877 =
968
2
|