Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
717 + 277 =
3
2
4
994
|
2.
113 – 47 =
3
2
66
4
|
3.
542 + 29 =
2
4
571
3
|
4.
10 + 448 =
4
458
3
2
|
|
5.
121 + 191 =
2
4
312
3
|
6.
845 – 24 =
2
3
821
4
|
7.
273 – 219 =
54
2
4
3
|
8.
764 – 129 =
4
2
635
3
|
|
9.
607 + 262 =
2
869
3
4
|
10.
161 – 129 =
2
3
4
32
|
11.
477 – 198 =
2
279
4
3
|
12.
868 – 544 =
4
3
324
2
|
|
13.
140 + 752 =
4
3
892
2
|
14.
547 – 506 =
4
41
3
2
|
15.
612 + 224 =
4
836
2
3
|
16.
465 – 463 =
2
4
1
3
|
|
17.
954 + 42 =
996
4
3
2
|
18.
40 + 758 =
3
798
4
2
|
19.
84 – 73 =
1
2
3
11
|
20.
315 – 245 =
2
4
70
3
|