Erbij en eraf tot 1.000
In de mix
|
1.
673 – 284 =
389
2
|
2.
497 + 27 =
524
2
|
3.
757 – 742 =
15
1
|
4.
984 – 213 =
2
771
|
|
5.
55 – 37 =
2
18
|
6.
844 + 124 =
968
2
|
7.
565 + 225 =
2
790
|
8.
456 + 316 =
772
2
|
|
9.
932 + 5 =
2
937
|
10.
638 + 239 =
2
877
|
11.
785 + 166 =
951
2
|
12.
825 – 477 =
348
2
|
|
13.
13 – 11 =
1
2
|
14.
121 + 843 =
964
2
|
15.
690 + 295 =
985
2
|
16.
230 – 220 =
10
1
|
|
17.
384 + 215 =
2
599
|
18.
727 – 335 =
2
392
|
19.
799 – 711 =
88
2
|
20.
165 – 74 =
91
2
|