The enrollment charter of Tianjin Bohai Vocational and Technical College in 2022 has been released. The
The intersections D and C are DE and CF perpendicular to AB, respectively, and the vertical legs are E and F. ¡£
¡àDE=CF=AC¡Ácos 12 ¡Ö29.3¡£
Therefore, the distanc
Question 1:( 1) average 15? , mode 10, median 15.
Question 2: (2) 15¡Á500=7500 tons (2 points
Analysis:
(1) According to the data in