Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
45 – 33 =
12
1
|
2.
43 + 29 =
2
72
|
3.
29 – 1 =
2
28
|
4.
14 + 81 =
95
2
|
|
5.
86 + 12 =
2
98
|
6.
100 – 77 =
2
23
|
7.
37 + 13 =
50
2
|
8.
28 + 6 =
2
34
|
|
9.
17 + 70 =
87
2
|
10.
96 – 96 =
2
0
|
11.
14 + 43 =
57
2
|
12.
23 + 32 =
2
55
|
|
13.
33 + 5 =
2
38
|
14.
1 + 91 =
2
92
|
15.
20 + 3 =
2
23
|
16.
8 – 3 =
1
5
|
|
17.
54 – 27 =
27
2
|
18.
12 + 55 =
67
2
|
19.
65 – 52 =
1
13
|
20.
6 – 4 =
2
1
|