Current location - Training Enrollment Network - Mathematics courses - Math problem ~ this is the answer to the process of filling in the blanks but finding the formula. ! ! ! ! ! ! !
Math problem ~ this is the answer to the process of filling in the blanks but finding the formula. ! ! ! ! ! ! !
1, and the ratio of two numbers is 1. These two numbers are expanded twice at the same time, and their ratio is (1/4).

2, a triangle, the degree ratio of three internal angles is 5: 3: 2, this triangle must be a (right angle) triangle.

3. The ratio of boys to girls in a class is 5: 4, and girls are less than boys (20)%.

4. A rope was cut by 1 and then connected 80 meters. At this time, the length of the rope is 8: 5 compared with the original rope length. This rope used to be (65,438+000) meters long.

The circumference of a rectangle is 24 cm, the aspect ratio is 5: 1, and the area of this rectangle is (20) square cm.

6.6 (1) The number of boys and girls in class is 14: 13. The number of girls is the number of boys (13/ 14), the proportion of boys in the class is (14: 27), and the number of girls in the class (65438) is filled in here.

7.4: Add 2 to the former item of15, and add (7.5) to the latter item to keep the proportion unchanged.

Related articles
  • Mathematics problem of 1 required for senior one.
  • Twenty-two thousand = what?
  • 20 12 Mathematics for Senior High School Entrance Examination in Guiyang
  • Where can I sell the first volume of Putian's third grade mathematics counseling series?
  • Mathematical geometry proof in junior high school
  • What mathematical symbols have primary schools been exposed to?
  • Journal of Intuitionistic Mathematics
  • About the national volume
  • How difficult is gre Chinese Test 154?
  • Junior one math sample questions

    • copyright 2024 Training Enrollment Network All rights reserved