Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
830 – 718 =
112
4
3
2
|
2.
101 + 11 =
4
112
2
3
|
3.
158 – 29 =
2
129
3
4
|
4.
772 – 120 =
3
652
4
2
|
|
5.
425 – 154 =
4
271
3
2
|
6.
734 – 486 =
2
248
3
4
|
7.
820 – 522 =
4
3
2
298
|
8.
750 + 138 =
3
888
4
2
|
|
9.
258 + 547 =
3
805
4
2
|
10.
200 – 58 =
3
4
142
2
|
11.
120 – 29 =
91
3
2
4
|
12.
158 + 840 =
3
998
4
2
|
|
13.
557 – 187 =
370
2
3
4
|
14.
618 – 104 =
4
514
2
3
|
15.
608 + 297 =
3
2
4
905
|
16.
38 + 156 =
2
3
194
4
|
|
17.
575 + 126 =
4
3
2
701
|
18.
978 + 4 =
4
982
3
2
|
19.
14 + 612 =
4
2
626
3
|
20.
18 + 903 =
921
2
3
4
|