Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
541 – 250 =
291
2
|
2.
396 – 104 =
292
2
|
3.
324 + 635 =
959
2
|
4.
855 – 384 =
2
471
|
|
5.
615 + 68 =
683
2
|
6.
228 – 95 =
2
133
|
7.
168 – 73 =
95
2
|
8.
115 – 81 =
2
34
|
|
9.
420 + 101 =
521
2
|
10.
868 + 67 =
935
2
|
11.
750 – 511 =
239
2
|
12.
531 – 53 =
478
2
|
|
13.
755 – 635 =
120
2
|
14.
926 + 25 =
951
2
|
15.
607 – 419 =
188
2
|
16.
846 + 98 =
2
944
|
|
17.
153 + 56 =
209
2
|
18.
816 – 661 =
155
2
|
19.
591 + 135 =
726
2
|
20.
569 – 66 =
2
503
|