Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
424 – 200 =
2
224
3
4
|
2.
650 – 627 =
4
2
3
23
|
3.
527 – 338 =
189
3
4
2
|
4.
275 + 210 =
2
485
3
4
|
|
5.
24 – 21 =
1
4
2
3
|
6.
693 + 304 =
4
3
997
2
|
7.
76 – 68 =
2
1
3
8
|
8.
485 + 487 =
4
3
972
2
|
|
9.
495 – 494 =
4
3
2
1
|
10.
565 + 258 =
2
3
4
823
|
11.
310 – 119 =
3
4
2
191
|
12.
248 – 226 =
2
22
3
4
|
|
13.
775 – 622 =
2
3
4
153
|
14.
786 + 17 =
3
4
2
803
|
15.
312 + 529 =
2
4
3
841
|
16.
825 + 28 =
2
3
4
853
|
|
17.
992 – 106 =
2
886
4
3
|
18.
897 – 589 =
4
3
308
2
|
19.
677 – 225 =
2
3
452
4
|
20.
808 + 11 =
819
2
4
3
|