• Matéria: Matemática
  • Autor: jabuticabra071
  • Perguntado 3 anos atrás

Calcule o valor das expressoes 12-(-3)+(-1)-(-7)

Respostas

respondido por: MiguelCyber
5

\large\boxed{\begin{array}{l}   \displaystyle \sf 12-(-3)+(-1)-(-7)\\\\\displaystyle \sf 12+3-1-(-7)\\\\\displaystyle \sf15-1-(-7)\\\\\displaystyle \sf 14-(-7)\\\\\displaystyle \sf 14 +7\\\\\displaystyle \sf 21  \sf\end{array}}

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