Rekensommen met erbij en eraf tot 100
In de mix
|
1.
65 + 7 =
72
2
|
2.
7 – 7 =
0
2
|
3.
31 + 11 =
42
2
|
4.
71 – 68 =
3
1
|
|
5.
92 – 79 =
1
13
|
6.
17 + 67 =
84
2
|
7.
58 + 20 =
78
2
|
8.
23 + 47 =
70
2
|
|
9.
75 + 22 =
2
97
|
10.
69 – 40 =
29
2
|
11.
87 + 4 =
2
91
|
12.
20 + 9 =
29
2
|
|
13.
18 – 17 =
2
1
|
14.
90 – 21 =
69
2
|
15.
61 – 1 =
2
60
|
16.
9 – 7 =
2
1
|
|
17.
66 – 17 =
2
49
|
18.
49 + 34 =
2
83
|
19.
72 + 12 =
2
84
|
20.
50 – 23 =
27
2
|