Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
66 – 23 =
43
2
|
2.
83 + 11 =
94
2
|
3.
28 – 28 =
2
0
|
4.
5 + 17 =
22
2
|
|
5.
49 + 28 =
77
2
|
6.
42 – 10 =
2
32
|
7.
98 – 52 =
46
2
|
8.
35 + 43 =
2
78
|
|
9.
7 – 7 =
2
0
|
10.
48 + 18 =
2
66
|
11.
76 – 44 =
32
2
|
12.
79 + 14 =
93
2
|
|
13.
41 + 32 =
2
73
|
14.
60 + 11 =
71
2
|
15.
97 + 2 =
99
2
|
16.
14 – 13 =
2
1
|
|
17.
82 – 79 =
1
3
|
18.
34 + 52 =
2
86
|
19.
53 – 33 =
2
20
|
20.
70 + 23 =
93
2
|