Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
813 – 605 =
3
208
2
4
|
2.
37 + 715 =
4
752
3
2
|
3.
585 – 575 =
10
1
3
2
|
4.
517 + 138 =
655
3
2
4
|
|
5.
909 – 252 =
2
3
4
657
|
6.
950 – 878 =
4
2
72
3
|
7.
414 + 490 =
3
904
4
2
|
8.
846 + 87 =
2
3
933
4
|
|
9.
907 + 47 =
2
954
3
4
|
10.
593 + 241 =
834
3
4
2
|
11.
938 – 52 =
2
3
4
886
|
12.
908 – 278 =
3
630
2
4
|
|
13.
748 + 42 =
2
4
790
3
|
14.
121 – 62 =
4
2
3
59
|
15.
240 + 41 =
3
4
281
2
|
16.
251 – 145 =
4
3
106
2
|
|
17.
185 – 181 =
4
3
1
2
|
18.
922 + 74 =
996
3
2
4
|
19.
286 + 459 =
745
3
4
2
|
20.
836 + 116 =
4
3
2
952
|