Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
980 + 18 =
2
998
4
3
|
2.
581 + 397 =
4
978
3
2
|
3.
805 – 680 =
125
2
4
3
|
4.
215 – 136 =
4
79
2
3
|
|
5.
861 + 97 =
3
958
4
2
|
6.
86 – 41 =
4
45
3
2
|
7.
136 + 620 =
756
4
2
3
|
8.
538 – 323 =
215
2
4
3
|
|
9.
483 + 204 =
2
687
3
4
|
10.
163 + 618 =
3
4
2
781
|
11.
400 – 164 =
236
3
4
2
|
12.
102 + 728 =
830
2
4
3
|
|
13.
268 + 355 =
2
3
4
623
|
14.
813 + 115 =
2
3
4
928
|
15.
703 – 235 =
4
3
468
2
|
16.
624 – 166 =
3
458
2
4
|
|
17.
631 – 619 =
2
12
1
3
|
18.
359 – 161 =
3
2
4
198
|
19.
844 + 123 =
3
2
967
4
|
20.
95 – 29 =
66
3
2
4
|