General Chat NEW! The Student Forums Chatroom > Competitions

Amazing Mental Maths!

<< < (4/5) > >>

Ghost Of Highbury:
y doesnt the division symbol come up in the latex text..

i cud put the square root thingy though

astarmathsandphysics:
To do x divided by y in latex type \frac {x}{y}

Ghost Of Highbury:
 
know root close to 6 = 9

the formula

known root  -  

known root = 3 (of 9)

known square = 9
unknown square = 6

so...

 answer ==> 2.5

nid404:
How do you get it in 6 d.p ......I wanna know to do it in 30 seconds....

Saladin:
Experience, practice and brains.

Navigation

[0] Message Index

[#] Next page

[*] Previous page