Rekensommen met erbij en eraf tot 100
In de mix
|
1.
61 + 1 =
2
62
|
2.
27 + 63 =
90
2
|
3.
99 – 41 =
2
58
|
4.
52 + 47 =
99
2
|
|
5.
85 – 43 =
2
42
|
6.
34 + 36 =
70
2
|
7.
52 – 31 =
2
21
|
8.
61 + 16 =
77
2
|
|
9.
60 – 7 =
53
2
|
10.
31 – 3 =
28
2
|
11.
39 + 12 =
2
51
|
12.
69 – 15 =
2
54
|
|
13.
35 + 46 =
81
2
|
14.
55 – 8 =
47
2
|
15.
56 – 12 =
44
2
|
16.
10 – 2 =
8
1
|
|
17.
74 – 71 =
1
3
|
18.
51 – 18 =
2
33
|
19.
51 + 25 =
76
2
|
20.
16 + 65 =
2
81
|