Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
650 – 439 =
2
211
|
2.
999 – 922 =
2
77
|
3.
729 + 260 =
2
989
|
4.
864 + 118 =
2
982
|
|
5.
427 + 393 =
2
820
|
6.
39 + 60 =
2
99
|
7.
142 + 56 =
198
2
|
8.
383 + 230 =
2
613
|
|
9.
905 + 43 =
2
948
|
10.
274 – 78 =
2
196
|
11.
104 – 35 =
69
2
|
12.
969 + 4 =
973
2
|
|
13.
824 + 109 =
933
2
|
14.
237 – 123 =
2
114
|
15.
855 – 669 =
2
186
|
16.
564 – 366 =
198
2
|
|
17.
974 + 21 =
2
995
|
18.
651 – 551 =
2
100
|
19.
922 + 60 =
2
982
|
20.
498 – 133 =
365
2
|