Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
19 – 15 =
4
1
|
2.
764 – 381 =
2
383
|
3.
532 – 231 =
301
2
|
4.
382 – 255 =
2
127
|
|
5.
975 – 514 =
461
2
|
6.
328 – 12 =
316
2
|
7.
561 – 320 =
241
2
|
8.
113 + 62 =
2
175
|
|
9.
757 – 448 =
2
309
|
10.
127 + 346 =
473
2
|
11.
635 + 192 =
2
827
|
12.
615 + 284 =
899
2
|
|
13.
375 – 286 =
89
2
|
14.
820 + 21 =
841
2
|
15.
366 + 264 =
630
2
|
16.
341 + 227 =
2
568
|
|
17.
71 – 2 =
2
69
|
18.
712 – 22 =
2
690
|
19.
931 – 838 =
2
93
|
20.
317 – 282 =
35
2
|