Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
83 + 17 =
2
100
|
2.
92 – 88 =
4
1
|
3.
13 – 9 =
1
4
|
4.
83 + 3 =
2
86
|
|
5.
6 + 52 =
2
58
|
6.
98 + 0 =
2
98
|
7.
8 + 66 =
2
74
|
8.
66 – 26 =
40
2
|
|
9.
67 – 49 =
18
2
|
10.
93 – 63 =
2
30
|
11.
97 + 0 =
2
97
|
12.
15 – 4 =
1
11
|
|
13.
73 – 14 =
59
2
|
14.
79 – 20 =
59
2
|
15.
17 – 6 =
1
11
|
16.
25 – 11 =
1
14
|
|
17.
79 + 12 =
91
2
|
18.
33 + 21 =
54
2
|
19.
61 + 21 =
82
2
|
20.
11 + 5 =
16
2
|