maths.free › Arithmetic › The Properties of Real Numbers › Introduction to the Properties of Real Numbers
Introduction to the Properties of Real Numbers
Introduction to the Properties of Real Numbers — from OpenStax Prealgebra 2e.
Introduction to the Properties of Real Numbers
A quilt is formed by sewing many different pieces of fabric together. The pieces can vary in color, size, and shape. The combinations of different kinds of pieces provide for an endless possibility of patterns. Much like the pieces of fabric, mathematicians distinguish among different types of numbers. The kinds of numbers in an expression provide for an endless possibility of outcomes. We have already described counting numbers, whole numbers, and integers. In this chapter, we will learn about other types of numbers and their properties.
Ahora tú Ninguna calculadora resuelve este, pero las piezas son computables. Pruebe uno abajo, o escriba el suyo.
Una cuenta gratuita añade notas sobre cada lección, un registro de lo que has terminado, tus problemas resueltos en un lugar, y un tutor que puedes preguntar sobre esta página. Las matemáticas en sí están abiertas a todos, se han registrado o no.
Registrarse Inicio de sesiónSímbolos utilizados aquí
Toque cualquier símbolo para la definición completa, una imagen, y lo que cada letra en ella significa.
Preguntas que la gente hace
Why does the order of operations matter?
Because 2 + 3 × 4 would otherwise be two different numbers. The convention (brackets, exponents, multiplication and division, addition and subtraction) exists so every reader gets the same value from the same expression.
How do I check an arithmetic answer?
Estimate first (round every number and compute roughly), then compare. If the estimate and the exact answer disagree by more than a little, one of them is wrong. The solver shows every operation, so you can find which line went astray.
Why are fractions harder than decimals?
They are not harder, they are more exact: 1/3 is a precise number, 0.333 is an approximation. Fractions need a common denominator to add, which is the one extra step people trip on.
Partes de esta página están adaptadas de OpenStax Prealgebra 2e (CC BY-NC-SA 4.0). Condensados y re-explicados aquí; los errores son nuestros. Debido a que su fuente está autorizada para uso no comercial, esta lección es gratuita, no vende nada y se comparte bajo la misma licencia.