Reken de erbijsom en erafsom tot 100 uit
In de mix
|
1.
44 – 33 =
1
11
2
3
|
2.
79 + 19 =
3
4
98
2
|
3.
65 + 16 =
4
3
81
2
|
4.
72 + 12 =
84
3
2
4
|
|
5.
87 + 12 =
2
3
4
99
|
6.
26 + 31 =
3
2
4
57
|
7.
15 – 9 =
1
2
6
3
|
8.
95 – 66 =
29
2
4
3
|
|
9.
14 – 14 =
4
0
2
3
|
10.
25 + 74 =
2
4
3
99
|
11.
74 – 69 =
1
3
2
5
|
12.
61 – 53 =
1
2
8
3
|
|
13.
37 + 56 =
2
4
93
3
|
14.
33 + 43 =
3
4
2
76
|
15.
48 – 5 =
3
2
43
4
|
16.
98 + 1 =
3
99
4
2
|
|
17.
42 + 13 =
3
4
2
55
|
18.
46 – 45 =
1
4
2
3
|
19.
33 – 8 =
4
25
2
3
|
20.
42 – 40 =
4
3
2
1
|