Maak de erbijsom en erafsom tot 1.000
In de mix
|
1.
551 + 320 =
871
2
|
2.
56 – 31 =
2
25
|
3.
278 + 440 =
718
2
|
4.
458 – 115 =
343
2
|
|
5.
296 + 528 =
2
824
|
6.
984 + 8 =
992
2
|
7.
690 + 65 =
2
755
|
8.
480 – 407 =
2
73
|
|
9.
500 – 201 =
299
2
|
10.
386 + 521 =
2
907
|
11.
980 – 821 =
2
159
|
12.
479 + 65 =
544
2
|
|
13.
504 – 504 =
2
0
|
14.
658 – 342 =
316
2
|
15.
599 + 105 =
2
704
|
16.
236 – 108 =
2
128
|
|
17.
395 + 512 =
2
907
|
18.
909 + 60 =
969
2
|
19.
631 + 301 =
932
2
|
20.
449 + 489 =
2
938
|