Erbij en eraf tot 1.000
In de mix
|
1.
26 – 12 =
14
1
|
2.
909 + 38 =
947
2
|
3.
724 – 422 =
302
2
|
4.
726 + 164 =
2
890
|
|
5.
527 + 116 =
643
2
|
6.
38 – 36 =
1
2
|
7.
152 + 671 =
823
2
|
8.
108 + 734 =
2
842
|
|
9.
27 – 23 =
1
4
|
10.
559 – 10 =
2
549
|
11.
919 + 54 =
2
973
|
12.
398 – 170 =
228
2
|
|
13.
857 – 427 =
430
2
|
14.
301 + 606 =
2
907
|
15.
619 – 546 =
2
73
|
16.
401 – 121 =
280
2
|
|
17.
207 – 15 =
192
2
|
18.
1 – 0 =
2
1
|
19.
653 – 529 =
2
124
|
20.
319 + 526 =
845
2
|