Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
80 – 80 =
2
0
|
2.
88 – 74 =
14
1
|
3.
51 – 12 =
2
39
|
4.
100 – 48 =
52
2
|
|
5.
67 + 29 =
96
2
|
6.
37 – 27 =
1
10
|
7.
89 – 33 =
56
2
|
8.
88 + 1 =
89
2
|
|
9.
23 – 22 =
2
1
|
10.
62 – 46 =
16
2
|
11.
83 – 23 =
2
60
|
12.
64 + 28 =
92
2
|
|
13.
32 + 67 =
99
2
|
14.
90 – 74 =
16
2
|
15.
33 + 52 =
85
2
|
16.
98 – 43 =
55
2
|
|
17.
100 – 96 =
4
1
|
18.
71 – 60 =
1
11
|
19.
89 + 0 =
2
89
|
20.
94 – 82 =
1
12
|