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There are a total of 330 certificates, of which 10,140 are given to those who have only one certificate, 190 are left, and there are 30 people who have three certificates, they have a total of 90 certificates, and 100 are given to those who have two certificates, that is, 50 people.

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Generally speaking, after the contract is signed, the contract cannot be terminated without consensus or statutory or agreed conditions, and the performance of the contract shall be strictly in accordance with the terms of the contract, but the law does not prohibit the parties from negotiating to make partial modifications and changes to the terms of the contract. Therefore, I think that it is untenable for you to assume the contract as a defense on the grounds that you have expressed your intention to terminate the contract or expressed any concerns, but if there is evidence to prove it, then it is completely possible to interpret the technical conditions provided by the other party later as a change in the terms of the contract. Therefore, if the technical conditions of the other party do not conform to the contract, it should be regarded as a breach of contract, and the resulting product defects should also be borne or mostly liable.

As for the other issue, it is first and foremost linked to responsibility, and therefore depends on the successful resolution of the first issue. Regardless of who is liable, the costs incurred by taking reasonable measures to avoid amplifying the loss should be within the scope of liability under the law.

Hello. Judging from the data, the two are parent-child, that is, paternity, biological.

First of all, human beings are dipartite organisms, and each point will have two data, one from the father and the other from the father, the same is homozygous, and the different are heterozygous.

Thirdly, when analyzing the two sets of data, whether at least one of the two numbers at the same locus is exactly the same, and if there is an identical number, it means that the offspring of the relocation site can find the heredity from the parent, which is in line with the law of heredity. Generally, if three or more loci do not conform to the laws of heredity, the existence of a parent-child relationship between the two can be ruled out; All loci are genetically consistent and are parent-child (consanguineous, identical multiple births, except for exogenous interference).

Your data of two people, all loci are in line with the law of heredity, and the cumulative paternity index can be calculated, and the paternity index of each locus in the last column is multiplied by more than 10,000, that is, it can give an opinion that meets the criteria to support the existence of paternity testing.

The area ratio of similar graphs is equal to the square ratio of the similar side lengths, so.

ef = (42 * 42 * 200 288) square root = square root of 1225 = 35

Here's the answer.

The 50's and the 40's paddled together.

Then the 50 ones stay, and the 40 ones row back.

40 stays, 90 rows over, 90 stays, 50 rows back, and two people paddle together.

Have the lightest person sit in the boat and row, while the other two hold the strings in the water.

Add two square sections, the increased edge length is equivalent to 4 2 = 8 square side lengths, 40 (4 2) = 5 (cm), square side length 5 cm, 5 2 = 10 (cm), cuboid length 10 cm, width and height 5 cm, (10 + 5 + 5) 4 = 80 (cm), the sum of the original cuboid edge lengths is 80 cm.