Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
501 – 304 =
197
2
|
2.
845 – 252 =
2
593
|
3.
601 – 190 =
2
411
|
4.
607 + 312 =
2
919
|
|
5.
875 + 20 =
895
2
|
6.
855 – 519 =
2
336
|
7.
847 + 117 =
964
2
|
8.
63 – 38 =
25
2
|
|
9.
966 + 31 =
997
2
|
10.
48 – 17 =
2
31
|
11.
330 + 277 =
607
2
|
12.
146 + 197 =
2
343
|
|
13.
390 – 67 =
2
323
|
14.
748 + 110 =
2
858
|
15.
228 – 104 =
2
124
|
16.
634 – 260 =
2
374
|
|
17.
749 – 412 =
337
2
|
18.
636 – 622 =
14
1
|
19.
554 + 337 =
2
891
|
20.
956 – 570 =
386
2
|