Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
132 – 121 =
11
1
|
2.
304 – 247 =
2
57
|
3.
838 – 107 =
731
2
|
4.
576 – 287 =
289
2
|
|
5.
777 – 428 =
349
2
|
6.
276 + 124 =
400
2
|
7.
125 + 782 =
907
2
|
8.
407 – 149 =
258
2
|
|
9.
955 + 14 =
969
2
|
10.
490 – 424 =
66
2
|
11.
353 + 233 =
2
586
|
12.
389 + 512 =
901
2
|
|
13.
39 + 269 =
2
308
|
14.
898 + 56 =
954
2
|
15.
314 – 248 =
2
66
|
16.
953 – 777 =
2
176
|
|
17.
784 + 107 =
2
891
|
18.
56 + 350 =
2
406
|
19.
391 – 180 =
211
2
|
20.
837 – 720 =
2
117
|