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Below is a two-staged number machine.

Work out the output when the input is

1

Below is a two-staged number machine.

Work out the output when the input is

1

Below is a two-staged number machine.

Work out the input when the **output** is

1

Below is a two-staged number machine.

Work out the input when the **output** is

1

Solve =

=

2

Solve =

=

2

Solve
=

=

2

Solve
=

=

2

Solve
=

=

2