Элементарная математика
Математика
• формат pdf
• размер 6.17 МБ
• добавлен 09 апреля 2011 г.
For Dummies, 2010. - 192 Pages.
Just the critical concepts you need to score high in pre-algebra.
This practical, friendly guide focuses on critical concepts taught in a typical pre-algebra course, from fractions, decimals, and percents to standard formulas and simple variable equations. Pre-Algebra Essentials For Dummies is perfect for cramming, homework help, or as a reference for parents helping kids study for exams.
Get down to the basics — get a handle on the basics of math, from adding, subtracting, multiplying, and dividing to exponents, square roots, and absolute value.
Conquer with confidence — follow easy-to-grasp instructions for working with fractions, decimals, and percents in equations and word problems.
Take the "problem" out of word problems — lea how to tu words into numbers and use "x" in algebraic equations to solve word problems.
Formulate a plan — get the lowdown on the essential formulas you need to solve for perimeter, area, surface area, and volume.
Open the book and find:
- How to find the greatest common factor and least common multiple.
- Tips for adding, subtracting, dividing, and multiplying fractions.
- How to change decimals to fractions (and vice versa).
- Algebraic expressions and equations.
- Essential formulas.
- How to work with graphs and charts.
Lea to:
- Work with and convert fractions, decimals, and percents.
- Solve for variables in algebraic expressions.
- Get the right answer when solving basic math problems.
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