7 : 15 = 0,4(6)
1 2/9 = 11 : 9 = 1,(2)
7/15~0,47, bo
0,46
---------
7:15
-0
-----
70
-60
----
100
-90
10
1 2/9~1,22, bo
1 2/9=11/
1,22
11:9
-9
------
20
-18
-------
--------
2
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7 : 15 = 0,4(6)
1 2/9 = 11 : 9 = 1,(2)
7/15~0,47, bo
0,46
---------
7:15
-0
-----
70
-60
----
100
-90
----
10
1 2/9~1,22, bo
1 2/9=11/
1,22
---------
11:9
-9
------
20
-18
-------
20
-18
--------
2