Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
320 – 289 =
31
2
|
2.
577 + 151 =
2
728
|
3.
326 + 425 =
2
751
|
4.
625 + 194 =
819
2
|
|
5.
737 + 12 =
2
749
|
6.
909 – 450 =
459
2
|
7.
653 + 140 =
2
793
|
8.
898 – 853 =
2
45
|
|
9.
645 – 107 =
538
2
|
10.
296 + 633 =
2
929
|
11.
434 – 148 =
2
286
|
12.
846 + 136 =
982
2
|
|
13.
682 + 52 =
2
734
|
14.
232 + 719 =
2
951
|
15.
132 + 824 =
956
2
|
16.
805 – 417 =
388
2
|
|
17.
434 – 75 =
359
2
|
18.
177 + 564 =
741
2
|
19.
904 – 57 =
847
2
|
20.
497 + 420 =
917
2
|