Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
827 – 766 =
2
3
4
61
|
2.
824 – 451 =
3
4
373
2
|
3.
974 + 4 =
978
4
2
3
|
4.
229 + 49 =
3
278
4
2
|
|
5.
471 – 396 =
4
2
75
3
|
6.
574 + 294 =
868
4
2
3
|
7.
942 + 34 =
2
3
976
4
|
8.
843 – 348 =
495
4
2
3
|
|
9.
434 – 121 =
4
2
3
313
|
10.
224 – 3 =
2
3
221
4
|
11.
927 + 56 =
3
983
4
2
|
12.
792 – 529 =
4
263
3
2
|
|
13.
842 – 159 =
4
683
3
2
|
14.
918 – 644 =
4
2
274
3
|
15.
972 + 9 =
4
981
2
3
|
16.
728 – 243 =
485
4
2
3
|
|
17.
871 – 690 =
4
181
2
3
|
18.
730 + 8 =
2
738
3
4
|
19.
205 – 43 =
2
162
3
4
|
20.
101 + 555 =
656
3
4
2
|