Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
97 – 4 =
93
2
|
2.
33 – 9 =
24
2
|
3.
2 + 84 =
2
86
|
4.
71 + 22 =
93
2
|
|
5.
18 – 8 =
1
10
|
6.
34 – 15 =
19
2
|
7.
15 – 15 =
0
2
|
8.
17 – 5 =
12
1
|
|
9.
91 – 19 =
72
2
|
10.
28 – 8 =
2
20
|
11.
87 + 0 =
87
2
|
12.
85 + 11 =
2
96
|
|
13.
79 – 23 =
56
2
|
14.
45 + 28 =
2
73
|
15.
46 + 54 =
2
100
|
16.
85 – 14 =
2
71
|
|
17.
50 – 17 =
2
33
|
18.
30 + 51 =
2
81
|
19.
13 + 13 =
26
2
|
20.
9 – 8 =
2
1
|