Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
509 – 86 =
423
2
|
2.
592 – 335 =
2
257
|
3.
556 + 388 =
2
944
|
4.
203 + 108 =
2
311
|
|
5.
570 – 387 =
2
183
|
6.
14 – 13 =
1
2
|
7.
941 – 702 =
2
239
|
8.
38 – 17 =
21
2
|
|
9.
35 + 10 =
2
45
|
10.
353 – 210 =
143
2
|
11.
878 – 149 =
2
729
|
12.
949 – 332 =
2
617
|
|
13.
580 + 213 =
2
793
|
14.
289 – 119 =
2
170
|
15.
846 – 694 =
2
152
|
16.
597 + 255 =
2
852
|
|
17.
857 – 668 =
2
189
|
18.
278 – 60 =
2
218
|
19.
58 – 18 =
2
40
|
20.
75 + 226 =
2
301
|