Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
999 + 1 =
1000
2
|
2.
904 + 43 =
2
947
|
3.
336 + 249 =
2
585
|
4.
508 + 390 =
2
898
|
|
5.
998 – 922 =
2
76
|
6.
790 – 776 =
14
1
|
7.
800 + 140 =
2
940
|
8.
826 – 571 =
2
255
|
|
9.
817 – 691 =
126
2
|
10.
915 – 422 =
493
2
|
11.
675 + 135 =
2
810
|
12.
738 – 338 =
400
2
|
|
13.
858 + 85 =
2
943
|
14.
888 – 792 =
96
2
|
15.
229 – 73 =
2
156
|
16.
380 + 535 =
915
2
|
|
17.
942 + 23 =
2
965
|
18.
597 + 143 =
2
740
|
19.
248 + 514 =
762
2
|
20.
353 – 308 =
2
45
|