Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
26 – 21 =
1
5
|
2.
71 + 5 =
2
76
|
3.
72 + 9 =
81
2
|
4.
64 + 31 =
2
95
|
|
5.
87 + 12 =
99
2
|
6.
72 + 1 =
73
2
|
7.
37 – 10 =
27
2
|
8.
13 + 24 =
2
37
|
|
9.
7 + 13 =
20
2
|
10.
54 + 26 =
80
2
|
11.
35 + 35 =
2
70
|
12.
57 – 13 =
2
44
|
|
13.
83 + 3 =
2
86
|
14.
27 + 73 =
100
2
|
15.
55 – 12 =
43
2
|
16.
5 – 1 =
4
1
|
|
17.
97 + 3 =
2
100
|
18.
74 + 5 =
79
2
|
19.
5 – 4 =
1
2
|
20.
26 + 65 =
91
2
|