Current location - Training Enrollment Network - Books and materials - There are three steps in front of the school library. Each step is 4m long, 0.3m wide and 0.2m high. (1) What is the minimum requirement for laying floor tiles on the surface of the third step?
There are three steps in front of the school library. Each step is 4m long, 0.3m wide and 0.2m high. (1) What is the minimum requirement for laying floor tiles on the surface of the third step?
(1) Floor tile area:

(4×0.3+4×0.2)×3,

=( 1.2+0.8)×3,

=2×3,

=6 (square meters);

Answer: At least 6 square meters of floor tiles should be laid.

(2)4×(0.3×3)×0.2+4×(0.3×2)×0.2+4×0.3×0.2,

=0.72+0.48+0.24,

= 1.44(m3)；

Answer: The construction of these three steps requires 1.44 cubic meters of concrete.

Related articles
  • Opening hours of Dalian Science and Technology Museum in 2022
  • National library collection
  • Which is better, Huangkeda Middle School or Taoyuan Middle School?
  • How should college students participate in voluntary service activities?
  • Douban 8.4, How to Read: Not all books are worth reading, you need to be able to choose.
  • Snow White was written in the background of Grimm's fairy tales?
  • Which major do you want to apply for as a civil servant in Jinan?
  • Humorous cartoon "Mr. Bean 3"
  • The earliest and most classic reading promotion methods in libraries.
  • What if Taobao can't get the invoice?

    • copyright 2024 Training Enrollment Network All rights reserved