Absolute error of the thickness of 500 pieces = 48mm × 1/240 = 0.2mm The thickness of each piece = (48±0,2mm) ÷ 500 = 0.096±0.0004mm ∴ The possible range of x is 0.0956~0.0964 (mm).
分類:科學及數學 > 數學 2020年09月12日