Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
23 – 22 =
2
4
3
1
|
2.
247 – 160 =
87
2
3
4
|
3.
367 + 21 =
3
4
2
388
|
4.
285 + 512 =
4
797
2
3
|
|
5.
117 + 796 =
4
2
3
913
|
6.
67 + 703 =
2
4
770
3
|
7.
58 – 26 =
4
3
2
32
|
8.
769 + 19 =
788
2
4
3
|
|
9.
17 – 10 =
1
3
2
7
|
10.
401 – 368 =
4
2
33
3
|
11.
215 – 153 =
3
2
62
4
|
12.
888 + 40 =
928
2
4
3
|
|
13.
826 – 582 =
2
3
244
4
|
14.
734 – 629 =
4
3
2
105
|
15.
783 – 102 =
2
3
681
4
|
16.
330 + 633 =
963
3
4
2
|
|
17.
14 + 298 =
312
2
3
4
|
18.
475 + 484 =
2
3
959
4
|
19.
243 + 46 =
2
289
4
3
|
20.
331 + 78 =
409
2
4
3
|