Erbij en eraf tot 1.000
In de mix
|
1.
583 – 545 =
38
2
|
2.
121 – 113 =
1
8
|
3.
417 – 242 =
2
175
|
4.
678 + 36 =
714
2
|
|
5.
891 – 409 =
482
2
|
6.
297 – 247 =
2
50
|
7.
509 – 2 =
507
2
|
8.
988 – 108 =
2
880
|
|
9.
132 – 111 =
2
21
|
10.
502 – 311 =
2
191
|
11.
76 + 876 =
2
952
|
12.
121 + 40 =
2
161
|
|
13.
694 – 47 =
2
647
|
14.
450 – 447 =
3
1
|
15.
708 + 258 =
2
966
|
16.
309 + 338 =
647
2
|
|
17.
729 + 162 =
891
2
|
18.
462 + 231 =
693
2
|
19.
88 + 307 =
395
2
|
20.
485 – 458 =
27
2
|