Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
404 – 181 =
2
223
|
2.
828 + 90 =
918
2
|
3.
841 + 109 =
2
950
|
4.
574 – 61 =
2
513
|
|
5.
143 – 68 =
2
75
|
6.
868 – 796 =
72
2
|
7.
623 – 30 =
593
2
|
8.
679 + 256 =
935
2
|
|
9.
964 + 9 =
973
2
|
10.
168 + 161 =
329
2
|
11.
814 + 63 =
2
877
|
12.
949 – 227 =
2
722
|
|
13.
66 + 745 =
2
811
|
14.
279 – 85 =
2
194
|
15.
357 + 385 =
2
742
|
16.
188 + 470 =
2
658
|
|
17.
354 – 74 =
2
280
|
18.
263 – 232 =
31
2
|
19.
389 – 83 =
2
306
|
20.
302 + 611 =
913
2
|