Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
534 + 303 =
837
4
3
2
|
2.
705 + 242 =
3
947
4
2
|
3.
36 – 3 =
4
2
33
3
|
4.
607 – 31 =
4
3
576
2
|
|
5.
753 + 134 =
887
3
2
4
|
6.
979 – 106 =
4
3
2
873
|
7.
609 – 175 =
4
434
3
2
|
8.
855 + 12 =
867
4
2
3
|
|
9.
275 + 42 =
4
2
3
317
|
10.
803 – 595 =
3
208
4
2
|
11.
56 + 142 =
198
4
3
2
|
12.
18 + 394 =
2
4
3
412
|
|
13.
266 + 418 =
4
2
3
684
|
14.
752 + 11 =
763
2
3
4
|
15.
778 – 230 =
3
548
4
2
|
16.
608 + 212 =
4
2
820
3
|
|
17.
140 + 569 =
3
4
2
709
|
18.
859 – 435 =
2
424
3
4
|
19.
25 + 29 =
2
3
4
54
|
20.
177 – 168 =
3
1
2
9
|