Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
235 + 169 =
2
3
404
4
|
2.
827 – 298 =
3
4
529
2
|
3.
342 – 168 =
4
3
174
2
|
4.
778 + 221 =
4
999
3
2
|
|
5.
79 + 744 =
823
3
4
2
|
6.
969 + 23 =
2
4
992
3
|
7.
761 – 213 =
2
4
3
548
|
8.
686 – 37 =
3
4
649
2
|
|
9.
80 + 879 =
4
2
959
3
|
10.
84 + 308 =
2
3
4
392
|
11.
506 – 483 =
2
3
23
4
|
12.
493 + 416 =
909
2
3
4
|
|
13.
928 + 66 =
994
4
3
2
|
14.
64 – 51 =
3
1
2
13
|
15.
794 – 758 =
36
4
3
2
|
16.
66 + 2 =
2
3
68
4
|
|
17.
270 – 231 =
39
2
4
3
|
18.
720 – 222 =
498
2
4
3
|
19.
181 + 399 =
3
4
580
2
|
20.
418 – 55 =
4
2
3
363
|