Erbij en eraf tot 1.000
In de mix
|
1.
489 – 77 =
412
2
|
2.
580 – 353 =
227
2
|
3.
733 – 717 =
2
16
|
4.
144 – 102 =
42
2
|
|
5.
287 + 134 =
421
2
|
6.
163 – 11 =
152
2
|
7.
269 – 105 =
164
2
|
8.
618 – 587 =
2
31
|
|
9.
394 + 274 =
668
2
|
10.
838 + 29 =
867
2
|
11.
470 + 423 =
893
2
|
12.
762 – 361 =
2
401
|
|
13.
944 + 6 =
2
950
|
14.
231 – 95 =
2
136
|
15.
835 + 6 =
2
841
|
16.
420 – 11 =
2
409
|
|
17.
880 + 1 =
2
881
|
18.
244 + 247 =
2
491
|
19.
615 – 447 =
2
168
|
20.
913 + 42 =
2
955
|