Erbij en eraf tot 1.000
In de mix
|
1.
461 – 212 =
249
2
|
2.
272 – 54 =
218
2
|
3.
709 – 614 =
95
2
|
4.
964 + 28 =
992
2
|
|
5.
189 + 201 =
390
2
|
6.
948 + 17 =
2
965
|
7.
304 – 264 =
40
2
|
8.
197 – 196 =
1
2
|
|
9.
638 – 238 =
400
2
|
10.
242 + 73 =
315
2
|
11.
710 – 539 =
171
2
|
12.
698 – 323 =
375
2
|
|
13.
534 + 387 =
2
921
|
14.
828 – 235 =
2
593
|
15.
334 – 283 =
2
51
|
16.
844 – 644 =
200
2
|
|
17.
25 – 22 =
3
1
|
18.
794 – 43 =
2
751
|
19.
572 + 79 =
2
651
|
20.
535 + 405 =
940
2
|