Erbij en eraf tot 1.000
In de mix
|
1.
509 – 387 =
122
2
|
2.
373 + 587 =
2
960
|
3.
902 – 145 =
2
757
|
4.
408 – 200 =
208
2
|
|
5.
913 + 12 =
2
925
|
6.
689 + 297 =
986
2
|
7.
381 + 78 =
2
459
|
8.
989 + 5 =
2
994
|
|
9.
678 – 377 =
301
2
|
10.
648 – 634 =
1
14
|
11.
314 – 119 =
195
2
|
12.
398 – 61 =
2
337
|
|
13.
479 + 334 =
2
813
|
14.
455 – 190 =
2
265
|
15.
811 + 138 =
2
949
|
16.
935 + 50 =
2
985
|
|
17.
830 + 160 =
2
990
|
18.
436 – 121 =
315
2
|
19.
859 – 236 =
623
2
|
20.
240 – 167 =
73
2
|