Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
173 – 82 =
2
91
|
2.
643 – 336 =
2
307
|
3.
37 – 23 =
14
1
|
4.
476 – 235 =
2
241
|
|
5.
345 + 315 =
2
660
|
6.
300 – 118 =
2
182
|
7.
128 + 257 =
385
2
|
8.
86 – 57 =
29
2
|
|
9.
501 + 447 =
948
2
|
10.
880 + 68 =
2
948
|
11.
301 – 247 =
54
2
|
12.
276 + 423 =
2
699
|
|
13.
202 + 285 =
487
2
|
14.
513 + 287 =
800
2
|
15.
403 + 521 =
2
924
|
16.
16 + 543 =
559
2
|
|
17.
847 – 818 =
29
2
|
18.
476 – 462 =
1
14
|
19.
828 + 21 =
2
849
|
20.
876 + 106 =
2
982
|