How to do this question I need to explain, how to do this question, and then tell me how to do it?

Cong Cong found that in the sports meeting, the starting line position of the athletes in the 400-meter run was different. This is because athletes run through curves, which are longer on the outer ring than the inner ring, so the lower the starting line, the lower the inner circle. Cong Cong measured 8 runways, each meter wide.

According to the data given, when calculating the 400-meter run, the position difference between the two starting lines is similar:

Rice. If it is a 200-meter run, then the position difference between the two adjacent starting lines is:

Rice. Cong Cong found that in the sports meeting, the starting line position of the athletes in the 400-meter run was different. This is because athletes run through curves, which are longer on the outer ring than the inner ring, so the lower the starting line, the lower the inner circle.

Cong Cong measured 8 runways, each meter wide. According to the data given, when the 400-meter run is calculated, the difference between the positions of the two starting lines is one meter; If it is a 200-meter run, then the two adjacent starting lines are separated by one meter.

400 meters need a whole park, the radius difference between the two adjacent runways is meters, the perimeter difference is meters, that is, the distance of the starting difference, and the difference of 200 meters is half a circle, and the starting distance is different.

Rice sold in May: 385-79 = 306 kg.

Problem solving ideas: The problem is known to sell 385 kg of rice in June, which is 79 kg more than in May, that is to say, 79 kg less in May than in June, so the share sold in May is equal to 79 kg minus in June, that is, 385-79

This question asks how much rice is sold in May, according to the question, it can be understood that 79 kg of rice was bought less in May than in June, and then the amount of rice sold in June is subtracted from the amount of less rice bought, which is 385-79 = 306 (kg).

A: 306 kg were sold in May.

306 kg of rice was sold in May.

385-79 = 306 (kilograms).

In June, 79 kilograms were sold more than in May, that is, 79 kilograms were sold less in May than in June, and 385 kilograms were sold in June, and to find out how many kilograms were sold in May was to find 79 kilograms less than 385 kilograms, so 385-79 was used.

385-79 = 306 (kilograms).

A: 306 kg of rice was sold in May.

Because there are only 28 days in February in ordinary years, 29 days in February in leap years, and once in 4 years, there is only one birthday in 4 years.

She is now past 13 4 = 3 (times) ......1 (year).

4 5 = 20 (years old) 5 birthdays at the age of 20.

February 29 is only available in leap years, which means that she was born in leap years, and leap years only occur once every four years, so 13 years old is two birthdays, 1+4*5=21

21 years old is the 5th birthday.

13 years old should be the 3rd birthday! The fifth birthday is 20 years old! The reason for this is that February 29 is only found in leap years, and leap years occur every four years!

At the age of 13, of course, I had 13 birthdays, and I had my fifth birthday when I was five.

Combined with the analysis of question (2), according to the 5:1 of safflower and white flowers in the offspring of group B, it can be seen that there are a total of 6 progeny, and there is 1 safflower with 1 white flower and it comes from the common parent, so 2 of the 6 progeny (AA and AA) are from safflower heterozygous (assay), and 4 are from safflower homozygous (assay), that is, it can be judged from group B that the ratio of dominant homozygotes to heterozygotes in this population is about 2:1.

I can't do it, you can shoot the whole point again, what's going on with that e-point thing.

As shown in Figure 4, love + number 2 = 70 so love = 8 number = 2 48 + 22 = 7070-2 learn = 45 so learn = 5 70-25 = 45 right backwards 27 + good 6 = 8 friends so good = 5 friends = 3 27 + 56 = 83

83-pun8=3 good good=5 so 83-pun8=35 so pun=4 83-48=35

To sum up, love = 8 number = 2 learning = 5 good = 5 friends = 4 friends = 3

Agree upstairs, the first question is calculated, and the second question is reversed.

a=6,b=5

Judgment a>b y returns.

a=a-b=1

b=b-a=4

Judge a>b n

The answer is b

The easiest way is to take an eraser and write the numbers according to the diagram.

The opposite side of 3 cannot be 1,2,3,5,6, so the opposite side of 3 is 46 The opposite side cannot be 1,3,4,5,6, so the opposite side of 6 is 21 The opposite side cannot be 1,2,3,4,6, so the opposite side of 1 is 5 To sum up: the opposite side of 3 is 4, the opposite side of 6 is 2, and the opposite side of 1 is 5

1 and 5 are relative.

3 and 4 are relative.

2 and 6 are relative.