Question

extresao numerica de multiplicacao com calculo a)(-9).(+12).(-2) b)(-7).(-10).(-5) c) (-7).(-7).(-1).(-5) d) (-20).(-2).(+6).(+4).(-1)​

Answer 1

Explicação passo-a-passo:

(-9).(+12).(-2)

-108.(-2)

+216

(-7).(-10).(-5)

+70.(-5)

-350

(-7).(-7).(-1).(-5)

+49.(-1).(-5)

-49.(-5)

+245

(-20).(-2).(+6).(+4).(-1)

+40.(+6).(+4).(-1)

+240.(+4).(-1)

+960.(-1)

-960