Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
15 – 6 =
1
9
|
2.
43 + 52 =
95
2
|
3.
100 + 0 =
100
2
|
4.
34 – 21 =
13
1
|
|
5.
100 + 0 =
2
100
|
6.
80 + 10 =
2
90
|
7.
90 – 15 =
75
2
|
8.
40 + 17 =
2
57
|
|
9.
56 – 38 =
18
2
|
10.
56 – 38 =
2
18
|
11.
66 – 1 =
2
65
|
12.
11 + 87 =
98
2
|
|
13.
46 + 1 =
47
2
|
14.
55 + 3 =
2
58
|
15.
15 + 63 =
2
78
|
16.
60 – 9 =
51
2
|
|
17.
27 + 63 =
2
90
|
18.
17 – 9 =
8
1
|
19.
97 – 19 =
2
78
|
20.
7 – 4 =
1
3
|