Rekensommen met erbij en eraf tot 100
In de mix
|
1.
98 – 91 =
1
7
|
2.
91 – 71 =
20
2
|
3.
38 – 5 =
33
2
|
4.
9 – 4 =
1
5
|
|
5.
55 – 35 =
20
2
|
6.
77 – 19 =
2
58
|
7.
94 – 33 =
2
61
|
8.
49 – 45 =
1
4
|
|
9.
87 + 12 =
99
2
|
10.
64 + 7 =
71
2
|
11.
18 – 16 =
1
2
|
12.
98 – 93 =
1
5
|
|
13.
64 – 7 =
2
57
|
14.
1 + 19 =
2
20
|
15.
96 + 0 =
2
96
|
16.
85 + 13 =
98
2
|
|
17.
10 + 25 =
35
2
|
18.
7 + 88 =
95
2
|
19.
81 + 2 =
83
2
|
20.
13 – 12 =
2
1
|