Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
86 + 841 =
927
2
|
2.
291 + 603 =
894
2
|
3.
21 – 21 =
2
0
|
4.
289 – 47 =
242
2
|
|
5.
512 + 405 =
2
917
|
6.
144 + 518 =
2
662
|
7.
97 + 752 =
849
2
|
8.
41 – 3 =
38
2
|
|
9.
61 + 688 =
749
2
|
10.
863 – 161 =
2
702
|
11.
170 + 132 =
2
302
|
12.
494 + 223 =
2
717
|
|
13.
431 – 393 =
2
38
|
14.
725 + 131 =
856
2
|
15.
387 + 37 =
424
2
|
16.
21 – 2 =
2
19
|
|
17.
33 – 12 =
2
21
|
18.
999 – 742 =
257
2
|
19.
229 – 184 =
2
45
|
20.
235 – 112 =
2
123
|