Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
79 + 664 =
743
4
3
2
|
2.
177 + 752 =
4
3
2
929
|
3.
873 + 57 =
3
930
2
4
|
4.
72 – 10 =
2
3
4
62
|
|
5.
537 + 58 =
3
4
595
2
|
6.
389 + 148 =
537
2
3
4
|
7.
586 + 338 =
3
4
2
924
|
8.
245 – 50 =
4
2
3
195
|
|
9.
249 + 389 =
4
3
2
638
|
10.
989 + 9 =
2
998
4
3
|
11.
697 + 288 =
2
3
985
4
|
12.
615 – 526 =
3
4
2
89
|
|
13.
977 + 20 =
3
997
4
2
|
14.
522 – 95 =
3
427
2
4
|
15.
258 + 501 =
759
4
2
3
|
16.
343 – 336 =
7
2
3
1
|
|
17.
952 – 479 =
2
4
473
3
|
18.
347 + 211 =
558
3
4
2
|
19.
457 + 174 =
3
631
4
2
|
20.
130 – 33 =
2
3
4
97
|