Oefen de erbijsom en erafsom tot 100
In de mix
|
1.
15 – 12 =
3
1
|
2.
51 – 37 =
14
1
|
3.
59 + 32 =
2
91
|
4.
88 + 4 =
2
92
|
|
5.
84 + 10 =
94
2
|
6.
9 + 9 =
2
18
|
7.
46 + 34 =
2
80
|
8.
19 – 7 =
1
12
|
|
9.
96 + 0 =
2
96
|
10.
79 – 30 =
2
49
|
11.
61 – 51 =
1
10
|
12.
38 – 25 =
13
1
|
|
13.
70 + 27 =
97
2
|
14.
17 + 82 =
2
99
|
15.
91 – 24 =
2
67
|
16.
86 – 23 =
2
63
|
|
17.
91 + 7 =
2
98
|
18.
96 + 2 =
98
2
|
19.
85 – 2 =
2
83
|
20.
44 – 10 =
2
34
|