Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
670 – 327 =
343
2
|
2.
25 – 10 =
1
15
|
3.
805 + 117 =
922
2
|
4.
665 – 511 =
154
2
|
|
5.
548 + 160 =
708
2
|
6.
392 – 213 =
2
179
|
7.
646 + 164 =
2
810
|
8.
794 – 474 =
2
320
|
|
9.
652 – 60 =
2
592
|
10.
169 – 163 =
1
6
|
11.
412 + 502 =
914
2
|
12.
266 + 249 =
2
515
|
|
13.
943 + 16 =
2
959
|
14.
398 – 251 =
147
2
|
15.
697 – 490 =
2
207
|
16.
337 + 527 =
2
864
|
|
17.
51 – 30 =
2
21
|
18.
947 – 387 =
560
2
|
19.
864 + 31 =
895
2
|
20.
104 – 81 =
23
2
|