Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
963 + 3 =
2
3
4
966
|
2.
986 + 9 =
4
3
2
995
|
3.
492 + 396 =
3
4
2
888
|
4.
475 – 119 =
4
3
2
356
|
|
5.
255 – 89 =
166
2
4
3
|
6.
512 + 319 =
831
3
2
4
|
7.
656 – 625 =
4
3
31
2
|
8.
677 – 291 =
4
3
386
2
|
|
9.
666 + 54 =
2
3
720
4
|
10.
861 + 74 =
4
935
3
2
|
11.
170 – 119 =
2
4
51
3
|
12.
489 – 152 =
337
3
2
4
|
|
13.
73 + 360 =
4
2
433
3
|
14.
56 – 16 =
4
2
3
40
|
15.
873 – 845 =
3
4
28
2
|
16.
471 – 416 =
55
2
3
4
|
|
17.
735 + 231 =
2
966
3
4
|
18.
37 – 26 =
1
11
2
3
|
19.
580 – 503 =
2
77
4
3
|
20.
739 – 283 =
4
456
3
2
|