Reken de erbijsom en erafsom tot 100 uit
In de mix
|
1.
64 + 28 =
92
4
3
2
|
2.
4 – 0 =
3
2
1
4
|
3.
94 – 92 =
4
1
3
2
|
4.
66 – 21 =
4
2
3
45
|
|
5.
31 + 47 =
2
4
3
78
|
6.
32 + 19 =
2
51
3
4
|
7.
62 + 17 =
3
79
4
2
|
8.
85 + 1 =
2
86
3
4
|
|
9.
72 – 1 =
71
3
4
2
|
10.
96 – 29 =
3
2
67
4
|
11.
54 – 9 =
4
45
3
2
|
12.
55 + 39 =
2
94
4
3
|
|
13.
74 + 17 =
3
91
2
4
|
14.
80 – 31 =
2
4
3
49
|
15.
3 + 55 =
3
58
4
2
|
16.
30 – 9 =
21
3
4
2
|
|
17.
64 – 16 =
2
3
48
4
|
18.
65 – 26 =
4
2
39
3
|
19.
64 + 13 =
77
3
2
4
|
20.
21 + 12 =
4
33
2
3
|