Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
12 + 79 =
2
91
|
2.
2 + 69 =
71
2
|
3.
95 – 25 =
70
2
|
4.
47 + 18 =
2
65
|
|
5.
17 – 6 =
1
11
|
6.
33 – 7 =
26
2
|
7.
48 – 42 =
6
1
|
8.
2 – 0 =
2
1
|
|
9.
27 – 19 =
8
1
|
10.
28 – 25 =
3
1
|
11.
39 + 33 =
2
72
|
12.
66 + 17 =
2
83
|
|
13.
20 + 80 =
2
100
|
14.
14 + 40 =
2
54
|
15.
66 + 20 =
2
86
|
16.
26 – 13 =
13
1
|
|
17.
33 – 11 =
2
22
|
18.
93 – 44 =
2
49
|
19.
67 + 12 =
2
79
|
20.
24 + 57 =
2
81
|