Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
469 – 415 =
54
2
|
2.
284 + 610 =
894
2
|
3.
699 – 271 =
428
2
|
4.
327 – 59 =
2
268
|
|
5.
481 – 31 =
450
2
|
6.
360 + 180 =
540
2
|
7.
837 + 18 =
2
855
|
8.
43 + 98 =
2
141
|
|
9.
913 + 20 =
933
2
|
10.
945 – 75 =
2
870
|
11.
46 + 189 =
2
235
|
12.
230 – 211 =
2
19
|
|
13.
274 – 106 =
2
168
|
14.
639 – 196 =
2
443
|
15.
269 + 116 =
385
2
|
16.
645 – 362 =
283
2
|
|
17.
340 – 30 =
310
2
|
18.
714 – 420 =
2
294
|
19.
32 + 3 =
35
2
|
20.
613 – 532 =
81
2
|