Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
81 + 4 =
85
2
|
2.
23 + 70 =
2
93
|
3.
8 – 6 =
2
1
|
4.
46 – 38 =
1
8
|
|
5.
5 + 27 =
32
2
|
6.
1 + 52 =
53
2
|
7.
19 + 38 =
57
2
|
8.
55 + 16 =
71
2
|
|
9.
11 – 9 =
2
1
|
10.
98 – 86 =
12
1
|
11.
55 + 18 =
73
2
|
12.
85 – 23 =
2
62
|
|
13.
89 + 0 =
2
89
|
14.
75 – 54 =
21
2
|
15.
1 – 1 =
0
2
|
16.
73 – 63 =
1
10
|
|
17.
81 – 15 =
66
2
|
18.
11 – 4 =
1
7
|
19.
85 + 4 =
2
89
|
20.
33 + 31 =
64
2
|