Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
904 – 756 =
148
2
|
2.
782 + 62 =
2
844
|
3.
327 + 469 =
2
796
|
4.
921 – 684 =
237
2
|
|
5.
683 – 94 =
589
2
|
6.
91 + 356 =
447
2
|
7.
907 + 43 =
2
950
|
8.
378 – 184 =
2
194
|
|
9.
667 + 202 =
2
869
|
10.
501 + 140 =
2
641
|
11.
103 – 75 =
28
2
|
12.
817 + 149 =
2
966
|
|
13.
42 – 6 =
36
2
|
14.
133 + 646 =
2
779
|
15.
928 + 59 =
987
2
|
16.
71 – 31 =
2
40
|
|
17.
906 + 88 =
2
994
|
18.
87 + 852 =
939
2
|
19.
976 + 15 =
991
2
|
20.
260 – 218 =
42
2
|