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산수2
Arithmetic 2
Students need the best teacher, so you need examples,
because examples are the best teacher. All the
examples here are fully worked, and help run your math
easier and fast enough.
And this book is for your study of math using integers,
covers multiplications and divisions with integers, and
helps get the concept of reciprocals in integers. Also, it
explains the reasons for multiplications.
And you will get to see some math tools useful and
handy using integers. The tools are math ideas, called
rules or formulas you can use doing problems with
multiples or divisors, etc.
You should not just follow steps in the books or
example sets. After your understanding, you should
solve all examples by yourself without looking at the
steps. If only you do it yourself, it’s all yours.
And doing it, put your steps in your writing without
looking at the steps in the solution pages. Also, use a
pen, not a pencil. Making an error, just cross that out
with a single strike only, put the correction next to it,
and move on so that you can check what you have
done. Using erasers, you cannot see what you have
done. We learn a lot from mistakes. And that’s not it.
You can find and get a lot of examples, practice
sets, on this website: www.runmath.com. Thus, you
may want to go to the web page for the book samples
and practice examples, and get them downloaded
and do them all.
You can read or get the book downloaded if click the
logo
button below. With a pdf reader,
it’s much easier
to read.
May your math run very
well.
Seong R. Kim
M.S. Math. Rensselaer
Polytechnic Institute
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