Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
83 + 2 =
2
85
|
2.
55 + 42 =
97
2
|
3.
70 – 54 =
16
2
|
4.
94 + 5 =
99
2
|
|
5.
66 + 24 =
2
90
|
6.
30 – 9 =
2
21
|
7.
64 – 60 =
1
4
|
8.
81 + 9 =
2
90
|
|
9.
64 + 20 =
84
2
|
10.
70 – 11 =
2
59
|
11.
78 – 9 =
2
69
|
12.
75 – 0 =
2
75
|
|
13.
60 + 32 =
92
2
|
14.
93 – 1 =
2
92
|
15.
33 – 5 =
28
2
|
16.
69 – 20 =
2
49
|
|
17.
75 – 52 =
2
23
|
18.
66 – 1 =
65
2
|
19.
78 + 0 =
78
2
|
20.
51 + 36 =
87
2
|