Rekensommen met erbij en eraf tot 1.000
In de mix
|
1.
602 – 304 =
298
2
|
2.
801 – 102 =
699
2
|
3.
559 + 101 =
2
660
|
4.
670 + 260 =
930
2
|
|
5.
287 + 493 =
780
2
|
6.
684 + 31 =
715
2
|
7.
914 – 749 =
165
2
|
8.
43 – 21 =
22
2
|
|
9.
963 + 14 =
2
977
|
10.
525 + 340 =
865
2
|
11.
33 – 26 =
7
1
|
12.
892 + 16 =
908
2
|
|
13.
789 – 784 =
5
1
|
14.
895 + 24 =
2
919
|
15.
269 – 261 =
1
8
|
16.
22 – 7 =
1
15
|
|
17.
942 + 1 =
943
2
|
18.
78 – 30 =
2
48
|
19.
924 + 19 =
2
943
|
20.
239 + 225 =
464
2
|