Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
652 – 269 =
4
2
383
3
|
2.
90 – 0 =
90
3
4
2
|
3.
989 + 11 =
4
3
2
1000
|
4.
220 + 702 =
4
922
2
3
|
|
5.
757 + 172 =
929
4
2
3
|
6.
375 – 167 =
4
3
2
208
|
7.
756 + 156 =
3
912
4
2
|
8.
376 – 158 =
218
2
4
3
|
|
9.
664 – 583 =
81
4
2
3
|
10.
945 + 47 =
2
3
4
992
|
11.
912 – 394 =
2
3
518
4
|
12.
237 – 133 =
3
4
2
104
|
|
13.
747 + 78 =
4
2
3
825
|
14.
438 + 293 =
2
4
731
3
|
15.
316 + 121 =
3
437
2
4
|
16.
657 – 225 =
3
2
432
4
|
|
17.
194 + 695 =
889
4
2
3
|
18.
183 – 105 =
78
4
3
2
|
19.
998 + 1 =
3
2
4
999
|
20.
88 + 620 =
2
4
3
708
|