• Matéria: Matemática
  • Autor: valquiria19902007
  • Perguntado 3 anos atrás

responda:
(+6).(-7)=
(-12).(+2)=
(+100):(-2)=
(-125):(+5)=​

Respostas

respondido por: liviarufinooliveira
0

Resposta:

a)

\boxed{\boxed{\mathtt{(+6).(-7)=-42}}}(+6).(−7)=−42

b)

\boxed{\boxed{\mathtt{(-12).(+2)=-24}}}(−12).(+2)=−24

c)

\boxed{\boxed{\mathtt{(+100)\div(-2)=-50}}}(+100)÷(−2)=−50

d)

\boxed{\boxed{\mathtt{(125)\div(+5)=+25}}}(125)÷(+5)=+25

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