Erbij en eraf tot 1.000
In de mix
|
1.
638 – 318 =
2
320
|
2.
24 + 779 =
2
803
|
3.
758 – 197 =
2
561
|
4.
980 – 258 =
722
2
|
|
5.
912 + 47 =
2
959
|
6.
104 + 95 =
2
199
|
7.
670 – 559 =
2
111
|
8.
417 + 136 =
553
2
|
|
9.
469 + 474 =
943
2
|
10.
305 + 111 =
416
2
|
11.
516 + 41 =
557
2
|
12.
96 – 24 =
2
72
|
|
13.
677 + 202 =
879
2
|
14.
151 – 46 =
105
2
|
15.
423 + 485 =
908
2
|
16.
493 + 346 =
839
2
|
|
17.
854 – 555 =
299
2
|
18.
479 + 113 =
2
592
|
19.
485 – 93 =
2
392
|
20.
20 – 10 =
1
10
|