Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
51 + 45 =
96
2
|
2.
65 + 13 =
78
2
|
3.
80 + 15 =
95
2
|
4.
89 – 78 =
11
1
|
|
5.
77 – 45 =
32
2
|
6.
70 – 40 =
30
2
|
7.
34 – 9 =
2
25
|
8.
32 + 55 =
87
2
|
|
9.
60 + 10 =
2
70
|
10.
11 – 8 =
3
1
|
11.
74 – 6 =
68
2
|
12.
46 + 37 =
83
2
|
|
13.
12 + 19 =
31
2
|
14.
65 + 27 =
92
2
|
15.
17 + 75 =
2
92
|
16.
87 + 6 =
93
2
|
|
17.
69 – 16 =
2
53
|
18.
47 + 13 =
2
60
|
19.
19 – 13 =
6
1
|
20.
89 – 22 =
67
2
|