Maak de erbijsom en erafsom tot 100
In de mix
|
1.
9 + 53 =
2
62
|
2.
61 + 7 =
68
2
|
3.
21 – 21 =
2
0
|
4.
90 – 36 =
54
2
|
|
5.
73 + 7 =
2
80
|
6.
78 + 8 =
86
2
|
7.
77 – 61 =
16
2
|
8.
90 – 65 =
25
2
|
|
9.
40 – 15 =
25
2
|
10.
77 + 1 =
78
2
|
11.
73 – 38 =
2
35
|
12.
28 – 3 =
2
25
|
|
13.
65 + 13 =
78
2
|
14.
9 + 54 =
63
2
|
15.
71 – 65 =
6
1
|
16.
55 – 27 =
28
2
|
|
17.
13 + 33 =
46
2
|
18.
87 + 10 =
2
97
|
19.
34 – 7 =
2
27
|
20.
45 – 22 =
2
23
|