Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
47 + 29 =
76
2
|
2.
14 + 64 =
2
78
|
3.
82 + 16 =
98
2
|
4.
55 – 45 =
1
10
|
|
5.
43 – 38 =
1
5
|
6.
63 – 16 =
2
47
|
7.
19 – 17 =
2
1
|
8.
61 – 52 =
9
1
|
|
9.
90 + 1 =
2
91
|
10.
71 + 25 =
96
2
|
11.
53 + 39 =
2
92
|
12.
96 – 66 =
30
2
|
|
13.
15 – 14 =
2
1
|
14.
74 + 3 =
77
2
|
15.
76 + 10 =
86
2
|
16.
71 + 19 =
2
90
|
|
17.
43 + 36 =
2
79
|
18.
45 + 2 =
47
2
|
19.
58 + 21 =
79
2
|
20.
97 + 1 =
98
2
|