Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
821 – 462 =
2
359
|
2.
651 – 562 =
89
2
|
3.
200 – 17 =
2
183
|
4.
608 – 17 =
591
2
|
|
5.
984 – 69 =
2
915
|
6.
277 – 50 =
227
2
|
7.
892 – 80 =
2
812
|
8.
626 + 163 =
2
789
|
|
9.
23 + 947 =
970
2
|
10.
345 + 468 =
2
813
|
11.
12 + 525 =
537
2
|
12.
954 – 485 =
2
469
|
|
13.
513 – 47 =
466
2
|
14.
459 – 173 =
286
2
|
15.
49 – 21 =
28
2
|
16.
680 – 527 =
153
2
|
|
17.
910 – 910 =
2
0
|
18.
642 – 476 =
166
2
|
19.
804 – 410 =
2
394
|
20.
221 + 647 =
2
868
|