Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
803 – 543 =
260
2
|
2.
17 + 36 =
2
53
|
3.
9 – 1 =
1
8
|
4.
271 – 54 =
2
217
|
|
5.
980 – 239 =
741
2
|
6.
863 + 78 =
2
941
|
7.
567 + 268 =
835
2
|
8.
774 + 66 =
840
2
|
|
9.
18 + 790 =
2
808
|
10.
701 + 225 =
2
926
|
11.
929 + 30 =
2
959
|
12.
563 + 46 =
609
2
|
|
13.
987 + 3 =
2
990
|
14.
144 + 419 =
563
2
|
15.
147 – 39 =
108
2
|
16.
905 + 47 =
952
2
|
|
17.
240 + 237 =
2
477
|
18.
202 – 200 =
1
2
|
19.
699 + 291 =
990
2
|
20.
747 – 452 =
295
2
|