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[Gaussian Cup] Daily Question-Day 2

Public number: Educational Education Training Center Source: Time: 2020-02-21 01:51:30

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Answer to Daily Question on Day 1

First grade

1. One pair of gloves per person, it is ________.

[Answer] A.

[Details] 1 person corresponds to 1 pair of gloves, 4 persons corresponds to 4 pairs of gloves.

second grade

A plate of dumplings and a plate of buns total ________ yuan.

[Answer] 38.

[Detailed explanation] Column addition formula, 23 + 15 = 38 (yuan).

Third grade

Calculation: 72 ÷ (45-36) = ________.

[Answer] 8.

[Detailed explanation] In the formulas with parentheses, the ones inside the brackets must be calculated first, and then the ones outside the brackets.

fourth grade

Calculation: 356 × 23 = _______.

[Answer] 8188

[Detailed explanation] Column vertical calculation 356 × 23 = 8188.

Fifth grade

Calculation: 49 × 3.75 + 49 × 5.25-19 × 9 = _______.

[Answer] 270.

[Detailed explanation]

The original formula = 49 × (3.75 + 5.25) -19 × 9

= 49 × 9-19 × 9 = (49-19) × 9

= 30 × 9

= 270.


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Sixth grade

Seventh grade

Eighth grade

The following statement is correct. ① The three heights of the triangle must form a triangle; ② The length of the three heights of the triangle can be 1, 2, 3; ③ The sum of the lengths of the three centerlines of the triangle is greater than half of the perimeter of the triangle.

Daily Question NO.2

First grade

Fat is in front of little, little in front of blossoming, fat is ________.

second grade

The two steel pipes below are ________ meters long.

Third grade

fourth grade

Fifth grade

My brother and my brother were studying at the same school. My brother walked 60 meters per minute, and my brother walked 40 meters per minute. One day, my brother walked for 5 minutes before leaving from home. When my brother arrived at school, my brother happened to catch up with my brother. Arrived at school, their home is _______ meters away from school.

Sixth grade

Seventh grade

Eighth grade

Today's answer will be announced the next day

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