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I would get an A4 192 Pages, as it is much easier to write on. Thats just my preference. Cause those 240 pages books are too thick for my licking and are hard to write on.

Think you shoudl get medentry, but just the exam papers...

I truly hope you guys are joking... PM me if your not :D

.... Your a prick

Should it be? Why should we justify our personal choices to you? Do you justify yours to us? But thesits do give reason... salvation and an everlasting life are perhaps a few.

Thats what ive been saying for a heaps long time. But then however, this thread will go blank...

... sif im gona compete with u guys...

o wow, you must be a freak...(no offence) so does the school offer the chem national qualifying exam? & is it based on the syllabus?? or is it just natural ability?

how do u become chem olympiad?

so if ammonion ion is not compound what is? so does that mean carbon monoxide is not compound?

im good thxs

wow nice work thxs so much... also nice try georgefren

cmon tell us alrdy

Answer is x=1, y=-2 or x=-1, y=2 or x=7/3 y=2/3 or x=-7/3, y=-2/3

Are all compounds electrical neutral??

opps the first equN is 12x^2-4xy+11y^2=64 instead at first i wrote =62, if that helps... cambridge might be flawed... u wanna know the answer? it might help... but this is fully beyond me

how does it solve?? its nt in form of ax^2+bx+c=0

Its from cambrdige 3unit yr 11 so.... +im sure lyounamu will figure it out

sorry, i didnt noe how to highlight the edit...