Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
619 – 74 =
2
545
|
2.
172 + 681 =
853
2
|
3.
459 + 26 =
2
485
|
4.
670 – 265 =
405
2
|
|
5.
823 + 109 =
2
932
|
6.
959 – 243 =
716
2
|
7.
703 – 501 =
202
2
|
8.
256 + 396 =
652
2
|
|
9.
397 + 72 =
469
2
|
10.
11 – 10 =
1
2
|
11.
311 + 289 =
2
600
|
12.
485 – 36 =
449
2
|
|
13.
915 + 52 =
2
967
|
14.
706 – 573 =
2
133
|
15.
507 – 20 =
487
2
|
16.
546 – 40 =
2
506
|
|
17.
272 + 448 =
720
2
|
18.
840 + 90 =
2
930
|
19.
88 – 40 =
2
48
|
20.
99 – 28 =
71
2
|