Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
105 + 414 =
2
519
4
3
|
2.
605 – 140 =
465
4
2
3
|
3.
205 – 23 =
3
4
2
182
|
4.
575 + 281 =
2
856
3
4
|
|
5.
252 – 108 =
3
4
2
144
|
6.
102 – 94 =
2
1
8
3
|
7.
74 – 62 =
2
3
1
12
|
8.
173 + 136 =
2
3
4
309
|
|
9.
26 – 13 =
13
1
2
3
|
10.
586 – 555 =
2
4
3
31
|
11.
339 + 23 =
4
3
362
2
|
12.
177 – 107 =
70
4
2
3
|
|
13.
287 + 303 =
2
4
3
590
|
14.
826 + 86 =
2
4
3
912
|
15.
326 – 185 =
141
3
4
2
|
16.
858 – 743 =
2
4
3
115
|
|
17.
771 + 203 =
974
3
2
4
|
18.
805 – 126 =
4
3
679
2
|
19.
199 + 790 =
3
4
989
2
|
20.
46 – 45 =
1
4
2
3
|