Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
17 + 53 =
70
2
|
2.
85 – 66 =
19
2
|
3.
42 – 0 =
2
42
|
4.
47 – 34 =
13
1
|
|
5.
44 + 18 =
62
2
|
6.
33 + 45 =
2
78
|
7.
24 + 74 =
2
98
|
8.
57 + 6 =
2
63
|
|
9.
96 + 1 =
2
97
|
10.
11 + 68 =
2
79
|
11.
75 + 10 =
85
2
|
12.
37 + 30 =
2
67
|
|
13.
20 + 76 =
96
2
|
14.
1 – 0 =
1
2
|
15.
5 – 3 =
1
2
|
16.
99 + 0 =
99
2
|
|
17.
66 – 10 =
56
2
|
18.
97 + 3 =
100
2
|
19.
52 – 5 =
2
47
|
20.
50 + 17 =
2
67
|