Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
18 – 6 =
12
1
|
2.
48 – 14 =
34
2
|
3.
70 + 29 =
99
2
|
4.
7 – 6 =
2
1
|
|
5.
17 + 8 =
2
25
|
6.
70 – 12 =
2
58
|
7.
48 + 19 =
2
67
|
8.
61 – 50 =
11
1
|
|
9.
51 – 21 =
2
30
|
10.
59 – 0 =
2
59
|
11.
9 – 8 =
2
1
|
12.
22 – 10 =
12
1
|
|
13.
29 + 59 =
2
88
|
14.
66 + 21 =
2
87
|
15.
25 – 2 =
2
23
|
16.
51 + 6 =
2
57
|
|
17.
73 + 8 =
81
2
|
18.
76 – 59 =
2
17
|
19.
69 – 54 =
15
1
|
20.
15 + 77 =
92
2
|