Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
615 – 367 =
248
2
|
2.
514 + 467 =
2
981
|
3.
430 – 42 =
2
388
|
4.
372 – 233 =
139
2
|
|
5.
632 + 97 =
2
729
|
6.
590 + 79 =
669
2
|
7.
163 – 39 =
124
2
|
8.
802 – 495 =
307
2
|
|
9.
243 + 65 =
2
308
|
10.
480 + 477 =
957
2
|
11.
524 + 310 =
834
2
|
12.
623 – 297 =
326
2
|
|
13.
230 – 10 =
220
2
|
14.
669 – 256 =
413
2
|
15.
4 + 663 =
2
667
|
16.
961 – 873 =
2
88
|
|
17.
33 + 322 =
2
355
|
18.
101 – 91 =
10
1
|
19.
483 + 124 =
607
2
|
20.
463 – 402 =
61
2
|