Measuring cylinder original 180ml water, put four glass beads with equal radius, the water surface rises to 380ml. How many cubic centimeters is the volume of each glass bead?

Volume = (280-180) △ 4 = 50 ml = 50 cc

RELATED INFORMATIONS

1. PEP fifth grade volume I mathematics exercise 12 question 11 answer
2. Among the three consecutive even numbers, if the smallest number is a, what is the largest number?
3. People's education press 7 main knowledge points of mathematics from Chapter 5 to Chapter 10 We should pick up the important ones and not write them all down. There are a lot of homework,
4. There are 45 chickens and rabbits, 146 counting legs, 28 caged chickens and 17 rabbits,
5. A right angled trapezoid? (as shown in the figure, unit: cm), if it is rotated one circle around the straight line of the upper and lower bottom of the right angled trapezoid respectively, what is the volume of the formed solid figure? Why? The upper bottom of right angled trapezoid is 1cm, the lower bottom is 2cm and the height is 3cm No more. Sorry
6. How to calculate (0.75 × 121-3 / 4 × 20-1 / 5) △ 0.75
7. Thinking questions on page 8 of supplementary exercises of mathematics in Volume 2 of Primary School of Jiangsu Education Press
8. There is a cylinder with a height of 10 cm. If you subtract 2 cm from its height, the surface area of the cylinder will be reduced by 12.56 square cm. What is the side area of the original cylinder? What is the volume of the original cylinder?
9. The example of quadratic function in grade nine mathematics?
10. During the promotion period of a certain market, it is stipulated that all goods in the market are sold at 80% of the price. At the same time, when customers consume a certain amount of money in the market, the following plan should be adopted The range of consumption amount x (yuan) 200 ≤ a
11. Second grade mathematics volume II
12. There are several groups of numbers; [1,2,3] [4,5,6] [7,8,9] [10,11,12] please work out the sum of the three numbers in the 100th group
13. 1 / 8 + 1 / 24 + 1 / 48 + 1 / 120 =? Simple calculation
14. express volumes
15. The number of chickens raised by Uncle Li is one third of that of ducks. Later, he bought 15 chickens. At this time, the ratio of chickens to ducks is 5:6. How many ducks does Uncle Li raise?
16. Answers to the reading questions of human need dreamers 1. In her own words, why did Mrs. Malone respond to Madame Curie with "surprise and uneasiness"? 2. What's the effect of writing about 10 millionaires refusing to help Madame Curie? 3. What places show that "Madame Curie is so stubborn in dealing with radium that it is difficult to understand"? What is Madame Curie's answer in her autobiography?
17. The greatest common factor of 54 and 9
18. English translation
19. Look at the next three lines -3,9,-27,81... 1,-3,9,-27... -2,10,-26,82... Let x, y and Z be the number of rows 1, 2 and 3 respectively, and find the value of X + 6y + Z. what is the relationship between the number of rows 2, 3 and the number of rows 1
20. He has many books