Reken de erbijsom en erafsom tot 100 uit
In de mix
|
1.
39 + 39 =
78
4
2
3
|
2.
55 + 19 =
3
74
2
4
|
3.
33 + 7 =
4
2
40
3
|
4.
62 + 24 =
86
3
2
4
|
|
5.
56 – 52 =
1
4
3
2
|
6.
8 + 57 =
65
4
3
2
|
7.
56 + 18 =
4
74
2
3
|
8.
78 – 50 =
28
2
4
3
|
|
9.
52 + 13 =
3
65
2
4
|
10.
97 – 66 =
31
4
3
2
|
11.
99 + 0 =
2
3
4
99
|
12.
8 + 71 =
79
4
2
3
|
|
13.
79 – 34 =
45
3
4
2
|
14.
92 – 73 =
3
2
19
4
|
15.
5 + 7 =
1
3
12
2
|
16.
41 + 21 =
3
62
4
2
|
|
17.
86 – 16 =
3
70
4
2
|
18.
14 – 3 =
1
2
11
3
|
19.
14 + 37 =
3
51
4
2
|
20.
99 – 76 =
2
4
3
23
|