Oefen de erbijsom en erafsom tot 1.000
In de mix
|
1.
124 + 876 =
2
1000
|
2.
743 + 125 =
868
2
|
3.
402 – 7 =
395
2
|
4.
779 + 102 =
881
2
|
|
5.
212 + 603 =
2
815
|
6.
219 – 160 =
59
2
|
7.
922 + 17 =
939
2
|
8.
783 – 453 =
330
2
|
|
9.
653 + 93 =
2
746
|
10.
634 + 270 =
2
904
|
11.
75 – 13 =
62
2
|
12.
735 + 87 =
822
2
|
|
13.
116 – 22 =
94
2
|
14.
189 + 415 =
2
604
|
15.
65 + 727 =
792
2
|
16.
81 + 885 =
2
966
|
|
17.
110 + 606 =
716
2
|
18.
846 – 267 =
579
2
|
19.
394 + 589 =
2
983
|
20.
740 – 319 =
2
421
|