Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
977 + 1 =
2
978
|
2.
290 – 249 =
2
41
|
3.
639 – 266 =
373
2
|
4.
508 + 90 =
2
598
|
|
5.
718 + 31 =
2
749
|
6.
685 – 109 =
576
2
|
7.
936 – 313 =
2
623
|
8.
864 + 83 =
2
947
|
|
9.
349 – 103 =
246
2
|
10.
983 – 889 =
2
94
|
11.
131 + 485 =
616
2
|
12.
150 + 758 =
908
2
|
|
13.
267 + 670 =
937
2
|
14.
50 – 31 =
19
2
|
15.
509 + 336 =
2
845
|
16.
419 – 349 =
2
70
|
|
17.
890 + 1 =
891
2
|
18.
631 + 326 =
957
2
|
19.
656 – 159 =
2
497
|
20.
60 + 806 =
866
2
|