Question

Tính hợp lí:

A= -[506+732-(-2011)]-(506-1732)

Answer 1

A= -[506 + 732- (-2011)]-(506-1732)

A= -506 -732 + 2011 - 506 + 1732

A= ( 1732 - 732) - (506 - 506) + 2011

A= 1000 - 0 + 2011

A= 3011

Answer 2

A= -[506+732-(-2011)]-(506-1732)

A= -506-732+(-2011)-506+1732

A= (-506-506)+(-732+1732)+(-2011)

A= -1012+1000+(-2011)

A= -12+(-2011)

A= -2023