Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
459 + 123 =
2
582
|
2.
572 + 75 =
647
2
|
3.
533 – 341 =
2
192
|
4.
315 + 358 =
673
2
|
|
5.
751 + 65 =
816
2
|
6.
230 – 189 =
2
41
|
7.
92 + 903 =
2
995
|
8.
744 + 76 =
820
2
|
|
9.
200 + 614 =
2
814
|
10.
365 + 199 =
2
564
|
11.
8 – 7 =
1
2
|
12.
107 – 101 =
1
6
|
|
13.
61 + 750 =
811
2
|
14.
908 + 73 =
981
2
|
15.
801 – 503 =
298
2
|
16.
841 – 191 =
650
2
|
|
17.
303 – 148 =
155
2
|
18.
977 – 448 =
2
529
|
19.
36 – 21 =
15
1
|
20.
592 – 498 =
2
94
|