Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
1 – 1 =
2
0
|
2.
561 + 270 =
2
831
|
3.
788 + 59 =
2
847
|
4.
831 – 234 =
597
2
|
|
5.
923 + 50 =
973
2
|
6.
252 + 646 =
898
2
|
7.
92 – 49 =
2
43
|
8.
503 – 293 =
2
210
|
|
9.
326 – 163 =
2
163
|
10.
648 + 335 =
983
2
|
11.
941 + 45 =
986
2
|
12.
550 + 35 =
2
585
|
|
13.
380 – 161 =
2
219
|
14.
679 – 203 =
476
2
|
15.
750 – 398 =
352
2
|
16.
892 – 639 =
2
253
|
|
17.
940 + 57 =
997
2
|
18.
61 – 10 =
2
51
|
19.
434 – 325 =
109
2
|
20.
538 + 241 =
779
2
|