Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
355 – 171 =
184
2
|
2.
42 + 806 =
2
848
|
3.
259 + 733 =
992
2
|
4.
419 – 347 =
2
72
|
|
5.
662 + 289 =
2
951
|
6.
101 – 100 =
1
2
|
7.
831 – 75 =
756
2
|
8.
9 – 7 =
2
1
|
|
9.
641 – 593 =
48
2
|
10.
343 – 228 =
2
115
|
11.
904 – 211 =
2
693
|
12.
991 – 902 =
2
89
|
|
13.
225 + 563 =
2
788
|
14.
966 – 506 =
2
460
|
15.
511 – 275 =
2
236
|
16.
157 – 76 =
2
81
|
|
17.
999 – 530 =
2
469
|
18.
875 – 618 =
2
257
|
19.
830 – 413 =
2
417
|
20.
751 – 135 =
616
2
|