Anonym
Anonym
21-04-2015
Mathematics
Answered
If
2 = 6
3 = 12
4 = 20
5 = 30
6 = 42
Then 9 = ?
Answer :
Аноним
Аноним
24-04-2015
[tex]2=6\to2\cdot\boxed{3}=6\\3=12\to3\cdot\fbox4=12\\4=20\to4\cdot\fbox5=20\\5=30\to5\cdot\fbox6}=30\\6=42\to6\cdot\fbox7}=42\\therefore\\9=\fbox{?}\to9\cdot\fbox{10}=\boxed{\boxed{90}}[/tex]
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