Maak de erbijsom en erafsom tot 100
In de mix
|
1.
43 – 40 =
1
3
|
2.
12 – 7 =
1
5
|
3.
49 + 31 =
2
80
|
4.
15 – 15 =
0
2
|
|
5.
19 + 29 =
2
48
|
6.
46 + 45 =
91
2
|
7.
65 – 47 =
2
18
|
8.
33 – 12 =
2
21
|
|
9.
20 + 79 =
99
2
|
10.
63 + 9 =
72
2
|
11.
63 – 48 =
1
15
|
12.
14 – 1 =
13
1
|
|
13.
77 + 12 =
89
2
|
14.
66 – 62 =
4
1
|
15.
10 + 59 =
2
69
|
16.
49 – 44 =
5
1
|
|
17.
87 + 1 =
88
2
|
18.
59 – 37 =
22
2
|
19.
76 + 1 =
77
2
|
20.
23 + 9 =
2
32
|