Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
64 – 0 =
64
2
|
2.
6 – 0 =
1
6
|
3.
54 + 8 =
62
2
|
4.
25 – 0 =
2
25
|
|
5.
98 + 1 =
99
2
|
6.
51 + 43 =
2
94
|
7.
36 – 4 =
32
2
|
8.
100 – 99 =
2
1
|
|
9.
8 – 2 =
1
6
|
10.
49 + 8 =
57
2
|
11.
22 – 22 =
0
2
|
12.
90 + 3 =
93
2
|
|
13.
79 – 37 =
2
42
|
14.
63 – 57 =
6
1
|
15.
57 + 1 =
58
2
|
16.
45 – 12 =
33
2
|
|
17.
61 + 22 =
2
83
|
18.
7 + 35 =
42
2
|
19.
38 + 45 =
83
2
|
20.
10 – 9 =
1
2
|