Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
339 – 324 =
15
2
3
1
|
2.
951 – 0 =
2
3
951
4
|
3.
368 – 303 =
65
4
3
2
|
4.
110 – 94 =
4
3
16
2
|
|
5.
468 + 440 =
3
2
908
4
|
6.
700 + 209 =
4
2
909
3
|
7.
144 – 121 =
2
3
23
4
|
8.
510 – 117 =
4
393
2
3
|
|
9.
109 – 20 =
3
2
4
89
|
10.
946 – 574 =
2
3
372
4
|
11.
841 + 143 =
984
4
3
2
|
12.
903 + 29 =
932
2
3
4
|
|
13.
204 – 197 =
3
7
1
2
|
14.
23 – 8 =
1
15
2
3
|
15.
119 – 114 =
3
2
5
1
|
16.
69 – 68 =
4
1
3
2
|
|
17.
983 + 0 =
2
3
4
983
|
18.
115 – 55 =
60
4
3
2
|
19.
43 – 36 =
2
1
3
7
|
20.
875 + 18 =
893
3
2
4
|