Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
949 + 17 =
966
4
3
2
|
2.
447 + 49 =
2
4
3
496
|
3.
851 – 244 =
607
4
2
3
|
4.
895 + 47 =
4
942
2
3
|
|
5.
622 + 356 =
4
3
978
2
|
6.
62 – 7 =
4
3
55
2
|
7.
453 – 293 =
3
160
2
4
|
8.
280 + 569 =
4
2
849
3
|
|
9.
554 + 88 =
4
2
3
642
|
10.
417 – 69 =
3
348
4
2
|
11.
372 – 55 =
317
4
3
2
|
12.
805 + 188 =
993
3
2
4
|
|
13.
760 + 198 =
4
958
2
3
|
14.
857 + 67 =
4
3
924
2
|
15.
982 + 13 =
4
995
2
3
|
16.
566 – 279 =
3
2
4
287
|
|
17.
437 – 323 =
2
114
3
4
|
18.
555 – 155 =
4
400
2
3
|
19.
931 – 84 =
3
2
847
4
|
20.
766 + 89 =
2
3
855
4
|