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The visual illusion can be resolved by correction, but the usual measurement errors in life (such as measuring height, etc.) are unavoidable. ( )

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The teachers of Taizhou Health School found that the result of the 33th power to 2 had an error of -3 when he calculated it with a Casio calculator, the Casio company take it as normal, because the ( ).

A. The absolute error is very small
B. The calculation of the calculator will always have an error
C. Human operation errors
D. The relative error is very small

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if you buy a 100-square-meter house, the area that the developer finally delivered is 5 square meters less, then the correct one in the error description of the actual area is ( ).

A. the absolute error is 0.05
B. The relative error is 0.05
C. the absolute error is -5 square meters
D. The relative error is -0.05

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The error of sum is equal to the sum of the respective errors, and the error of difference is equal to the difference of the respective errors. ( )

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The 53 notes are unacceptable to the general public, because it is inaccurate in solving the temperament equation. ( )

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