Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
790 + 99 =
889
3
2
4
|
2.
485 – 464 =
4
3
21
2
|
3.
885 – 845 =
3
2
4
40
|
4.
614 – 27 =
3
2
4
587
|
|
5.
939 + 61 =
2
1000
3
4
|
6.
982 + 16 =
998
4
2
3
|
7.
949 + 51 =
2
3
4
1000
|
8.
795 – 729 =
2
3
66
4
|
|
9.
325 – 314 =
2
1
3
11
|
10.
751 – 255 =
4
3
496
2
|
11.
889 + 70 =
2
959
4
3
|
12.
854 + 71 =
4
2
925
3
|
|
13.
100 – 57 =
4
2
43
3
|
14.
16 – 10 =
2
1
3
6
|
15.
475 – 168 =
2
307
4
3
|
16.
814 + 76 =
4
3
2
890
|
|
17.
399 + 449 =
3
4
848
2
|
18.
994 – 440 =
554
3
2
4
|
19.
238 – 0 =
2
238
4
3
|
20.
208 + 448 =
656
2
3
4
|