Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
392 + 359 =
751
2
|
2.
977 + 23 =
2
1000
|
3.
629 – 409 =
2
220
|
4.
240 + 80 =
320
2
|
|
5.
853 – 843 =
1
10
|
6.
41 + 903 =
2
944
|
7.
655 + 220 =
875
2
|
8.
630 – 481 =
149
2
|
|
9.
978 – 727 =
251
2
|
10.
844 + 120 =
964
2
|
11.
160 + 154 =
314
2
|
12.
12 – 12 =
0
2
|
|
13.
655 + 236 =
891
2
|
14.
876 – 235 =
2
641
|
15.
182 – 161 =
2
21
|
16.
30 + 469 =
499
2
|
|
17.
662 + 221 =
883
2
|
18.
44 + 657 =
2
701
|
19.
137 – 19 =
118
2
|
20.
9 + 91 =
2
100
|