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Maths Puzzle
Numerical Ability
My teacher is moving me up to Algebra, and I know anything. If you could give me a list of sites with good algebra games, ect that'd be awesome
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book Other Question
A student thinks that the expression (a+b)2 and a2+b2 are equal to one another. How would you explain to the student why this is not so?
ok i have done 21 of these and here are the ones i cant get...
Use log9^7=0.8856 and log9^4=0.6309 to evaluate each expression
log9^28
log9^49
log9^144
log9^15.75