Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
89 + 1 =
90
2
|
2.
27 + 23 =
50
2
|
3.
89 + 6 =
2
95
|
4.
60 – 12 =
48
2
|
|
5.
70 – 11 =
2
59
|
6.
64 + 15 =
79
2
|
7.
41 + 6 =
47
2
|
8.
48 – 6 =
42
2
|
|
9.
88 + 7 =
2
95
|
10.
61 – 23 =
38
2
|
11.
94 + 4 =
2
98
|
12.
78 – 35 =
43
2
|
|
13.
48 + 50 =
98
2
|
14.
34 + 22 =
2
56
|
15.
39 + 26 =
2
65
|
16.
93 – 77 =
16
2
|
|
17.
10 – 10 =
2
0
|
18.
13 + 81 =
94
2
|
19.
96 – 69 =
2
27
|
20.
3 + 75 =
2
78
|