Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
312 + 619 =
2
931
4
3
|
2.
558 – 487 =
4
3
2
71
|
3.
976 + 9 =
4
985
2
3
|
4.
345 – 67 =
4
2
3
278
|
|
5.
593 + 114 =
707
3
2
4
|
6.
16 + 312 =
3
328
4
2
|
7.
552 + 168 =
2
4
3
720
|
8.
898 + 39 =
3
2
937
4
|
|
9.
422 – 181 =
4
3
241
2
|
10.
823 – 153 =
670
3
2
4
|
11.
614 + 132 =
2
746
4
3
|
12.
337 – 265 =
2
72
3
4
|
|
13.
784 + 34 =
818
3
4
2
|
14.
29 – 18 =
1
2
11
3
|
15.
488 + 39 =
4
527
3
2
|
16.
331 – 294 =
3
2
4
37
|
|
17.
280 – 31 =
4
3
2
249
|
18.
118 – 27 =
91
4
2
3
|
19.
802 – 665 =
137
3
4
2
|
20.
108 – 108 =
0
3
2
4
|