Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
148 – 1 =
147
2
|
2.
240 – 77 =
2
163
|
3.
93 – 3 =
90
2
|
4.
729 – 403 =
2
326
|
|
5.
858 – 796 =
2
62
|
6.
566 – 327 =
239
2
|
7.
525 – 417 =
2
108
|
8.
544 – 430 =
2
114
|
|
9.
84 + 239 =
323
2
|
10.
927 + 38 =
2
965
|
11.
440 – 368 =
72
2
|
12.
320 + 603 =
2
923
|
|
13.
600 – 180 =
420
2
|
14.
24 + 635 =
659
2
|
15.
331 + 57 =
2
388
|
16.
609 – 437 =
2
172
|
|
17.
669 + 214 =
883
2
|
18.
538 – 98 =
2
440
|
19.
762 – 738 =
24
2
|
20.
675 – 14 =
2
661
|