Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
466 – 176 =
290
2
|
2.
303 + 118 =
421
2
|
3.
780 + 29 =
809
2
|
4.
748 – 26 =
722
2
|
|
5.
183 + 506 =
689
2
|
6.
764 – 135 =
2
629
|
7.
997 – 386 =
2
611
|
8.
561 – 9 =
552
2
|
|
9.
816 – 176 =
2
640
|
10.
150 – 35 =
115
2
|
11.
849 – 827 =
2
22
|
12.
39 + 318 =
357
2
|
|
13.
831 + 121 =
952
2
|
14.
648 – 573 =
75
2
|
15.
961 + 6 =
967
2
|
16.
396 + 224 =
2
620
|
|
17.
770 – 286 =
484
2
|
18.
377 + 108 =
2
485
|
19.
470 + 293 =
763
2
|
20.
917 – 648 =
2
269
|