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O QUE SIGNIFICA CALCULAR A
MÉDIA?
ASSIM, CALCULAR A MÉDIA
SIGNIFICA BUSCAR O MEIO, O
EQUILÍBRIO ENTRE OS VALORES ...
OBSERVE OS NÚMEROS A SEGUIR:
COMO CHEGAMOS AO NÚMERO 20
ATRAVÉS DE CÁLCULOS?
ASSIM, 40 DIVIDIDO POR 2 É IGUAL A
20
ACABAMOS DE CHEGAR À FÓRMULA
PARA CALCULARMOS A MÉDIA
ARITMÉTICA:
UM EXEMPLO:
ASSIM, (13 + 28 + 47 + 76) / 4
164 / 4 = 41
VAMOS PENSAR UM POUCO!
POR
SEMANA?
POR DIA?
VAMOS PENSAR UM POUCO!
E SE O ATLETA COM 1,68 m SAIR DO TIME.
QUAL SERÁ A NOVA MÉDIA?
PROBLEMASSSSSS!
ESSE É O TIPO DO PROBLEMA ONDE TEMOS A
MÉDIA E BUSCAMOS A SOMA.
Como calcular a média aritmética
Como calcular a média aritmética

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Como calcular a média aritmética