Reken de erbijsom en erafsom tot 1.000 uit
In de mix
|
1.
43 – 25 =
4
2
18
3
|
2.
449 – 442 =
1
2
3
7
|
3.
977 – 146 =
2
831
4
3
|
4.
5 + 70 =
75
2
4
3
|
|
5.
582 – 323 =
2
4
3
259
|
6.
242 – 67 =
175
2
3
4
|
7.
852 + 52 =
4
2
3
904
|
8.
693 – 591 =
2
3
4
102
|
|
9.
250 + 173 =
423
3
2
4
|
10.
180 – 96 =
2
3
4
84
|
11.
529 + 366 =
4
2
3
895
|
12.
55 – 35 =
20
2
4
3
|
|
13.
153 – 52 =
2
3
101
4
|
14.
159 + 29 =
4
2
3
188
|
15.
111 + 854 =
4
2
965
3
|
16.
187 – 24 =
2
3
4
163
|
|
17.
153 + 833 =
2
3
986
4
|
18.
689 – 269 =
3
4
2
420
|
19.
465 + 412 =
877
2
4
3
|
20.
989 + 2 =
2
4
991
3
|