Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
56 – 6 =
3
4
2
50
|
2.
857 – 455 =
2
4
402
3
|
3.
551 + 198 =
2
4
749
3
|
4.
63 + 687 =
4
750
2
3
|
|
5.
802 – 785 =
3
17
4
2
|
6.
275 + 358 =
633
4
3
2
|
7.
614 – 584 =
2
3
4
30
|
8.
375 + 22 =
397
4
3
2
|
|
9.
828 + 127 =
4
3
955
2
|
10.
373 + 614 =
2
4
987
3
|
11.
310 + 195 =
4
3
505
2
|
12.
662 + 96 =
4
3
758
2
|
|
13.
168 + 264 =
4
3
432
2
|
14.
852 – 597 =
4
3
2
255
|
15.
108 – 3 =
2
105
3
4
|
16.
860 – 514 =
3
346
4
2
|
|
17.
316 – 146 =
170
4
2
3
|
18.
491 – 50 =
441
2
4
3
|
19.
843 – 843 =
0
3
2
4
|
20.
687 + 160 =
847
4
3
2
|