Erbij en eraf tot 1.000
In de mix
|
1.
923 – 552 =
371
2
|
2.
74 – 65 =
1
9
|
3.
149 + 392 =
2
541
|
4.
122 – 18 =
2
104
|
|
5.
686 – 612 =
74
2
|
6.
542 + 356 =
898
2
|
7.
845 – 567 =
278
2
|
8.
953 – 608 =
2
345
|
|
9.
406 – 133 =
2
273
|
10.
723 – 19 =
704
2
|
11.
402 + 242 =
644
2
|
12.
34 – 27 =
1
7
|
|
13.
630 – 22 =
608
2
|
14.
604 + 133 =
737
2
|
15.
811 – 400 =
411
2
|
16.
480 – 427 =
53
2
|
|
17.
91 + 250 =
2
341
|
18.
824 + 150 =
974
2
|
19.
354 + 495 =
849
2
|
20.
979 + 0 =
2
979
|