Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
500 – 211 =
2
289
|
2.
81 + 647 =
2
728
|
3.
820 + 64 =
2
884
|
4.
181 + 50 =
2
231
|
|
5.
878 – 60 =
2
818
|
6.
89 – 45 =
44
2
|
7.
111 + 664 =
775
2
|
8.
227 + 694 =
2
921
|
|
9.
774 – 733 =
2
41
|
10.
98 – 73 =
2
25
|
11.
703 – 267 =
2
436
|
12.
710 – 335 =
375
2
|
|
13.
663 – 422 =
241
2
|
14.
119 + 433 =
2
552
|
15.
124 – 66 =
58
2
|
16.
930 – 583 =
347
2
|
|
17.
780 + 69 =
2
849
|
18.
168 – 129 =
2
39
|
19.
185 – 149 =
36
2
|
20.
763 – 520 =
2
243
|