Erbij en eraf tot 1.000
In de mix
|
1.
898 – 569 =
329
2
|
2.
54 – 53 =
2
1
|
3.
709 + 177 =
2
886
|
4.
450 – 184 =
2
266
|
|
5.
509 + 103 =
612
2
|
6.
617 – 429 =
188
2
|
7.
112 – 61 =
2
51
|
8.
724 + 197 =
921
2
|
|
9.
317 + 595 =
2
912
|
10.
238 + 610 =
848
2
|
11.
962 – 315 =
647
2
|
12.
904 – 128 =
776
2
|
|
13.
513 – 398 =
2
115
|
14.
699 – 664 =
35
2
|
15.
444 – 442 =
1
2
|
16.
441 + 240 =
681
2
|
|
17.
554 + 220 =
2
774
|
18.
860 + 108 =
968
2
|
19.
994 + 1 =
2
995
|
20.
805 – 114 =
2
691
|