Maak de erbijsom en erafsom tot 100
In de mix
|
1.
4 – 4 =
2
0
|
2.
91 – 33 =
2
58
|
3.
45 – 18 =
27
2
|
4.
100 – 60 =
2
40
|
|
5.
49 + 21 =
70
2
|
6.
21 + 54 =
75
2
|
7.
74 – 58 =
2
16
|
8.
25 – 17 =
8
1
|
|
9.
65 + 14 =
2
79
|
10.
28 + 7 =
2
35
|
11.
58 + 33 =
91
2
|
12.
10 – 10 =
0
2
|
|
13.
60 – 17 =
2
43
|
14.
90 – 1 =
2
89
|
15.
52 – 27 =
25
2
|
16.
36 – 28 =
1
8
|
|
17.
30 – 12 =
2
18
|
18.
30 – 6 =
24
2
|
19.
27 + 18 =
45
2
|
20.
22 + 18 =
40
2
|