Reken de erbijsom en erafsom tot 100 uit
In de mix
|
1.
56 – 20 =
2
36
4
3
|
2.
57 – 31 =
4
2
26
3
|
3.
78 + 15 =
3
93
2
4
|
4.
87 + 5 =
4
3
2
92
|
|
5.
48 – 4 =
4
3
2
44
|
6.
23 + 0 =
2
23
4
3
|
7.
40 + 29 =
4
2
3
69
|
8.
12 + 4 =
4
3
2
16
|
|
9.
3 – 2 =
3
1
2
4
|
10.
85 + 0 =
4
2
85
3
|
11.
24 + 0 =
3
2
24
4
|
12.
31 – 4 =
27
4
2
3
|
|
13.
90 – 35 =
3
2
4
55
|
14.
98 + 1 =
99
4
2
3
|
15.
15 + 19 =
2
4
3
34
|
16.
59 + 20 =
79
3
2
4
|
|
17.
9 – 4 =
2
5
3
1
|
18.
43 + 27 =
70
4
2
3
|
19.
85 – 20 =
2
4
65
3
|
20.
18 – 8 =
2
10
1
3
|