Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
64 – 56 =
8
1
|
2.
34 – 30 =
1
4
|
3.
79 – 50 =
29
2
|
4.
11 – 1 =
10
1
|
|
5.
35 – 0 =
2
35
|
6.
62 + 13 =
75
2
|
7.
5 – 0 =
1
5
|
8.
61 + 23 =
84
2
|
|
9.
65 – 2 =
63
2
|
10.
14 – 12 =
1
2
|
11.
1 – 1 =
2
0
|
12.
29 – 22 =
1
7
|
|
13.
77 – 8 =
69
2
|
14.
27 + 37 =
64
2
|
15.
62 + 0 =
2
62
|
16.
31 + 19 =
50
2
|
|
17.
13 + 82 =
95
2
|
18.
36 + 50 =
86
2
|
19.
90 + 6 =
2
96
|
20.
81 – 48 =
33
2
|