Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
74 + 20 =
2
94
|
2.
40 – 16 =
24
2
|
3.
50 – 29 =
2
21
|
4.
37 – 0 =
37
2
|
|
5.
63 + 32 =
95
2
|
6.
62 – 33 =
2
29
|
7.
29 + 9 =
2
38
|
8.
90 + 0 =
2
90
|
|
9.
43 + 56 =
2
99
|
10.
50 + 47 =
97
2
|
11.
55 – 54 =
2
1
|
12.
17 + 53 =
2
70
|
|
13.
20 – 14 =
6
1
|
14.
75 – 13 =
62
2
|
15.
99 – 40 =
59
2
|
16.
65 + 26 =
2
91
|
|
17.
76 – 50 =
26
2
|
18.
93 – 42 =
51
2
|
19.
21 – 1 =
20
2
|
20.
67 – 9 =
2
58
|