Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
521 – 285 =
236
2
|
2.
256 + 259 =
2
515
|
3.
19 – 2 =
17
2
|
4.
822 + 82 =
2
904
|
|
5.
499 + 378 =
2
877
|
6.
27 – 13 =
14
1
|
7.
844 – 764 =
2
80
|
8.
8 + 244 =
2
252
|
|
9.
989 – 130 =
2
859
|
10.
399 – 365 =
2
34
|
11.
994 + 1 =
2
995
|
12.
654 – 136 =
518
2
|
|
13.
199 + 634 =
2
833
|
14.
543 + 68 =
2
611
|
15.
876 – 616 =
260
2
|
16.
466 – 255 =
2
211
|
|
17.
201 + 640 =
2
841
|
18.
364 – 217 =
147
2
|
19.
414 – 262 =
152
2
|
20.
117 + 569 =
2
686
|