Question

d)  6 – {8 – [- 4 + (5 – 3 – 9) – 12] + 10} + 45 =

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Answer 1

Respuesta:

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Answer 2

Respuesta:

d)  6 – {8 – [- 4 + (5 – 3 – 9) – 12] + 10} + 45 =

    6 – {8 – [- 4 + (-7) – 12] + 10} + 45 =

    6 – {8 – [- 4 -7– 12] + 10} + 45 =

    6 – {8 – (- 23) + 10} + 45 =

    6 – {8 + 23 + 10} + 45 =

    6 – (41) + 45 =

    6 + 41 + 45 =

            = 92