Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
544 – 281 =
2
263
4
3
|
2.
762 – 96 =
666
3
4
2
|
3.
28 + 73 =
2
101
4
3
|
4.
629 – 80 =
4
549
2
3
|
|
5.
94 – 41 =
2
3
4
53
|
6.
803 + 88 =
2
4
3
891
|
7.
516 – 228 =
4
3
288
2
|
8.
851 + 99 =
950
4
3
2
|
|
9.
209 – 43 =
2
3
166
4
|
10.
887 + 12 =
4
3
899
2
|
11.
769 – 630 =
3
4
2
139
|
12.
782 – 155 =
2
4
627
3
|
|
13.
1000 + 0 =
2
4
3
1000
|
14.
983 – 879 =
104
2
4
3
|
15.
308 – 107 =
3
2
4
201
|
16.
211 – 71 =
4
140
2
3
|
|
17.
23 – 7 =
3
4
2
16
|
18.
56 – 53 =
4
2
3
1
|
19.
986 + 9 =
3
4
2
995
|
20.
289 + 469 =
2
758
3
4
|