Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
89 – 32 =
2
57
|
2.
76 – 55 =
21
2
|
3.
50 + 41 =
2
91
|
4.
93 – 67 =
26
2
|
|
5.
51 – 26 =
25
2
|
6.
85 + 15 =
2
100
|
7.
16 + 79 =
2
95
|
8.
38 + 40 =
78
2
|
|
9.
4 – 0 =
1
4
|
10.
50 – 35 =
15
1
|
11.
80 + 1 =
2
81
|
12.
16 + 32 =
48
2
|
|
13.
52 – 25 =
27
2
|
14.
51 – 23 =
2
28
|
15.
9 – 7 =
2
1
|
16.
93 – 12 =
81
2
|
|
17.
13 – 0 =
1
13
|
18.
45 – 39 =
6
1
|
19.
55 – 33 =
2
22
|
20.
36 + 56 =
92
2
|