Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
993 – 255 =
738
2
|
2.
754 + 152 =
2
906
|
3.
862 + 10 =
2
872
|
4.
520 + 405 =
2
925
|
|
5.
222 – 20 =
2
202
|
6.
459 + 541 =
1000
2
|
7.
383 + 252 =
635
2
|
8.
105 – 53 =
52
2
|
|
9.
870 – 94 =
776
2
|
10.
553 + 2 =
2
555
|
11.
459 – 58 =
2
401
|
12.
792 + 65 =
857
2
|
|
13.
85 – 75 =
10
1
|
14.
542 + 126 =
2
668
|
15.
128 + 239 =
2
367
|
16.
768 – 454 =
314
2
|
|
17.
374 – 30 =
344
2
|
18.
255 + 613 =
2
868
|
19.
818 + 51 =
2
869
|
20.
258 – 145 =
2
113
|