Every square meters of inside volume there should be 1 square meter window opening.
A: 30
B: 20
A: 30
B: 20
举一反三
- The project has an overall area of 1,000,000 square meters, of which 530,000 square meters are above the ground and 470,000 square meters are underground.
- 2,240 square meters of forest and 9) ______ square meters of well-facilitated farmland were created on average each second.
- 中国大学MOOC: Mr. Williams would like to order both 50,000 square meters of wool carpet, and 30,000 square meters of silk carpet.
- ”sq m”is the abbreviation of square meter(s).（ ）
- Which of the following are weight units? A: Meter, kilometer, centimeter, yard, foot, mile, etc. B: Square meter, square yard, square foot, square inch, etc. C: Cubic meter, cubic yard, cubic foot, cubic inch, etc. D: Kilogram, ton, metric ton, gram, pound, ounce, long ton, short ton, etc.