Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
8 – 3 =
5
1
3
2
|
2.
983 + 4 =
3
4
987
2
|
3.
300 – 163 =
137
2
3
4
|
4.
913 – 532 =
3
2
4
381
|
|
5.
985 + 14 =
2
999
4
3
|
6.
919 – 513 =
4
406
2
3
|
7.
780 – 767 =
2
1
3
13
|
8.
690 – 133 =
4
557
3
2
|
|
9.
31 + 383 =
3
414
2
4
|
10.
965 + 31 =
2
996
3
4
|
11.
859 – 800 =
4
59
3
2
|
12.
305 + 454 =
759
4
3
2
|
|
13.
145 – 0 =
2
4
3
145
|
14.
276 + 66 =
342
3
2
4
|
15.
417 + 77 =
494
2
4
3
|
16.
340 – 315 =
4
25
2
3
|
|
17.
953 + 21 =
2
3
4
974
|
18.
997 – 225 =
2
3
4
772
|
19.
367 + 556 =
2
3
923
4
|
20.
821 + 81 =
902
2
4
3
|