Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
487 – 451 =
2
36
|
2.
988 + 12 =
2
1000
|
3.
568 – 539 =
2
29
|
4.
613 + 151 =
764
2
|
|
5.
889 + 31 =
920
2
|
6.
579 + 47 =
2
626
|
7.
342 + 446 =
2
788
|
8.
608 – 97 =
2
511
|
|
9.
267 – 68 =
2
199
|
10.
138 + 804 =
2
942
|
11.
728 + 198 =
2
926
|
12.
877 + 71 =
2
948
|
|
13.
841 – 157 =
684
2
|
14.
564 + 200 =
764
2
|
15.
170 – 87 =
83
2
|
16.
779 – 314 =
465
2
|
|
17.
843 – 185 =
658
2
|
18.
79 + 206 =
285
2
|
19.
681 – 595 =
2
86
|
20.
919 + 34 =
953
2
|