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The number 30 40 50 80?
Thirty
Forti
Fifty is not a byproduct
Eitty
The ordinal number of the 30th, 40th, 50th, 60th, 70th, 80th, 90th and 100th
thirtieth
fortieth
fiftieth
sixtieth
seventieth
eightieth
ninetieth
Hundredth paid special attention to the ninetieth and twentieth twentieth
How to write 30 40 50 60 70 80 90 100 ordinal number words
It's urgent! It's urgent!
30:thirtieth
40:fortieth
50:fiftieth
60:sixtieh
70:seventieth
80:eightieth
90:ninetieth
100:a hundredth
Who knows the ordinal number of 30, 40, 50, 60, 70, 80, 90?
thirty:thirtieth
fourty:fortieth
fifty:fiftieth
sixty:sixtieth
seventy:seventieth
eighty:eightieth
ninety:ninetieth
RELATED INFORMATIONS
- 1. 10 to 20 and 30, 40, 50, 60, 70, 80, 90
- 2. Subtract 80 from each data in a group of data to get a new group of data. If the average of the new group of data is 1.2 and the variance is 4.4, then the average and variance of the original group of data are______ And______ ．
- 3. Definition of variance? How does a group of data multiply or divide by a number change its mean and variance? Add or subtract a number Master help it, dead teacher did not say let us do
- 4. There is a column of numbers. The first number is 105 and the second number is 85. Starting from the third number, each number is the average of the two numbers before it. Then the integer part of the number 2011 is______ ．
- 5. Calculate the mean, median and mode of the following groups respectively. 10, 20, 80, 40, 30, 90, 50, 40, 50, 40
- 6. What is the average, median and mode of the data of 70, 0, 80, 3, 65, 4, 78, 70, 72, 68 and 70?
- 7. If 80 is subtracted from a set of data at the same time, the average of the new data is 2.3, then the average of the original data is?
- 8. The average of five numbers is 20. If one of them is changed to 40, then the average is 25. The number of changes is 20______ ．
- 9. The average of five numbers is 60. If one of them is changed to 80, then the average of the five numbers will be 70. What is the original value of this change?
- 10. A swimming pool covers an area of 580 units, and its volume is about 1160 units
- 11. Ten words? Hurry up and give me an early warning
- 12. Math problem (100 points)! Solution equation: 20 + 10% x = 80 2x + 30% x = 9.215 + 10% x = 18 A machine tool factory planned to produce 20 machine tools in February, and actually produced 30, which was more than planned A.60% B 50 % C20% D33% In February, a machine tool factory planned to produce 20 machine tools, 30 more than planned, and () A60% B50% C20% D150% more than planned Mingming deposits 200 yuan of new year's money in the bank and withdraws it as a whole for one year. The annual interest rate is 2.52%. When it matures, the interest is () yuan A200 B205.04 C504 D10.08 Multiple choice questions please write how to find out, recently to test, so want to be familiar with, test good will write
- 13. A test, a, B, C average score of 91 points, B, C, D average of 89 points, a, D average of 95 points. A, d each score A, B, C three groups of students to plant trees, a, B two groups average of 18 trees per group, a, C two groups average of 17 trees per group, B, C two groups average of 19 trees per group
- 14. Given that one of the five numbers is 15 and the average of the other four numbers is 14, the sum of these five numbers is______ ．
- 15. There are 35 kilograms of milk sugar, 10.3 yuan per kilogram, and 65 kilograms of fruit sugar, 8.5 yuan per kilogram. Mix these two kinds of sugar to make assorted sugar. At least how much yuan per kilogram can you sell without losing money?
- 16. What are the characteristics and differences of average, median and mode
- 17. Mathematical problems about mean and median Number: 1 1 2 4 2 3 Annual profit (10000 yuan / person) 2052.52.11.51.51.2 What is the average and median annual profit per person of the company? Quick! Seek the expert solution! Good Bonus!
- 18. Xiaomei is 8 years old and her father is 36 years old. When Xiaomei was how old, her father was three times as old as Xiaomei Equations to be listed
- 19. In the 13th century, Italian mathematician Leonard raised the following interesting question: if each pair of big rabbits gives birth to a pair of little rabbits every month, and each pair of little rabbits becomes big rabbits after growing for a month, and all rabbits survive, how many pairs of little rabbits will there be after a year when someone raises a pair of newborn rabbits? It's better to have a formula. Why do you do it like this?
- 20. A, B and C are three stations on the same road. The distance from station B to station a and C is equal. Xiaoqiang and Xiaoming start from station a and C at the same time and face each other. Xiaoqiang meets Xiaoming 100 meters after station B, and then they go on. Xiaoqiang returns to station C, and overtakes Xiaoming 300 meters after station B. question: what's the distance between station a and station B? Do you know how to solve this problem