Erbij en eraf tot 100
In de mix
|
1.
67 – 15 =
52
2
|
2.
18 – 11 =
1
7
|
3.
93 – 42 =
51
2
|
4.
57 – 12 =
2
45
|
|
5.
56 – 36 =
20
2
|
6.
39 + 42 =
81
2
|
7.
45 + 9 =
2
54
|
8.
91 – 59 =
2
32
|
|
9.
55 – 17 =
38
2
|
10.
33 + 51 =
84
2
|
11.
86 + 5 =
2
91
|
12.
20 – 19 =
1
2
|
|
13.
94 – 31 =
63
2
|
14.
47 + 0 =
2
47
|
15.
44 + 42 =
2
86
|
16.
56 – 45 =
11
1
|
|
17.
40 + 8 =
48
2
|
18.
1 + 17 =
18
2
|
19.
48 + 8 =
2
56
|
20.
69 – 12 =
57
2
|