Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
568 + 140 =
708
2
|
2.
505 + 489 =
994
2
|
3.
326 + 666 =
2
992
|
4.
914 + 18 =
932
2
|
|
5.
477 + 353 =
2
830
|
6.
826 + 80 =
906
2
|
7.
897 + 45 =
2
942
|
8.
154 + 366 =
2
520
|
|
9.
533 + 11 =
544
2
|
10.
905 – 378 =
2
527
|
11.
262 + 302 =
564
2
|
12.
371 + 294 =
2
665
|
|
13.
829 – 681 =
2
148
|
14.
196 + 678 =
2
874
|
15.
982 – 929 =
2
53
|
16.
95 – 48 =
2
47
|
|
17.
713 – 258 =
2
455
|
18.
103 – 28 =
2
75
|
19.
798 – 770 =
2
28
|
20.
51 – 21 =
2
30
|