Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
32 + 52 =
2
84
|
2.
54 – 17 =
2
37
|
3.
5 – 3 =
2
1
|
4.
86 – 54 =
2
32
|
|
5.
44 – 33 =
1
11
|
6.
46 + 50 =
96
2
|
7.
27 + 5 =
32
2
|
8.
74 + 4 =
2
78
|
|
9.
11 – 5 =
6
1
|
10.
34 – 24 =
1
10
|
11.
3 – 1 =
2
1
|
12.
96 – 70 =
26
2
|
|
13.
57 – 47 =
10
1
|
14.
36 + 29 =
2
65
|
15.
14 + 64 =
78
2
|
16.
47 – 35 =
1
12
|
|
17.
87 – 31 =
2
56
|
18.
54 – 41 =
13
1
|
19.
43 – 0 =
43
2
|
20.
5 – 0 =
1
5
|