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You can use whatever you want, provided you get the answer and the formula is valid.viinsin said:i was wondering...can you use 3 unit formulas in 2unit?
lol i thought the cd question was funny it was soooo funnyTbomb2k said:yeh was heaps hard... That last question took ages to figure out... but i think i got most of it; last part of Q10 i finially figured out how to do it just when he said pens down.. so couldn't write my answer
The CD question was stupid... i think i might have got it but who knows, that was a hard one!
argh.. now ext maths tomorrow![]()