Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
337 – 181 =
156
2
|
2.
679 + 304 =
2
983
|
3.
21 – 18 =
1
3
|
4.
295 – 49 =
246
2
|
|
5.
677 – 544 =
133
2
|
6.
458 + 40 =
2
498
|
7.
591 – 76 =
2
515
|
8.
219 – 119 =
100
2
|
|
9.
271 + 665 =
936
2
|
10.
940 – 450 =
490
2
|
11.
824 + 2 =
2
826
|
12.
419 + 115 =
534
2
|
|
13.
93 + 209 =
2
302
|
14.
414 + 506 =
920
2
|
15.
794 – 392 =
2
402
|
16.
111 + 200 =
2
311
|
|
17.
540 – 28 =
512
2
|
18.
337 + 238 =
575
2
|
19.
360 – 80 =
280
2
|
20.
198 + 227 =
2
425
|