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Fill in the plus sign, minus sign, multiply sign and divide sign in each box to get the correct answer. The result of the three formulas is the same. Can you work it out? 6 7 7 3 1＝? 7 4 3 2 6＝? 8 3 6 4 2＝?
6 + 7 - 7 - 3 - 1 = 2 7 + 4 + 3 - 2 * 6 = 2 8 - 3 - 6 / 4 * 2 = 2 6 + 7 - 7 - 3 * 1 = 3 7 - 4 + 3 * 2 - 6 = 3 8 + 3 - 6 - 4 + 2 = 3 6 + 7 - 7 - 3 + 1 = 4 7 + 4 - 3 + 2 - 6 = 4 8 - 3 / 6 * 4 - 2 = 4 6 ...
Super difficult topic, do you want to challenge your wisdom?
If a, B and C are two unequal rational numbers, prove that the arithmetic square root of (1 / (a-b) square plus 1 / (B-C) square plus 1 / (C-A) square) is a rational number
Let a = P1 / Q, B = P2 / Q, C = P3 / Q, where P1, P2, P3 and P are integers, then the arithmetic square root of (1 / (a-b) square plus 1 / (B-C) square plus 1 / (C-A) square) is equivalent to the arithmetic square root of (1 / (P1-P2) square plus 1 / (P2-P3) square plus 1 / (p3-p1)
Challenge your IQ to find rules``
-------- ———— -------- --------
| 6 | 3 | | 6 | 4 | | | 9 | | | 12 |
| ——— | | ——— | | ——— | | ——— |
| 4 | 2 | | 9 | 6 | | | | | | |
Don't use your functions. They don't understand```
|6 | 6 | 6 124; 6 | 6 | 6 | 6 | 6 | 6 | 12 | - || 6 | 6 | 6 | 6 | 9 | 9 | 9 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 9 | 1
High IQ to challenge
Please indicate the names of the organs that can be used in the following things
Radish is ()
Sugarcane is ()
Cabbage is ()
Day lily is ()
Watermelon is ()
Mung bean is ()
Radish is (root)
Sugarcane is (stem)
Cabbage is (leaf)
Day lily is (flower)
Watermelon is (fruit)
Mung bean is (seed)
Challenge your intelligence. Come in and take a look at this topic```
If the inequality 2x-1 > m (x ^ - 1) holds for all m which satisfy that M is greater than or equal to - 1 and less than or equal to 1, find the value range of X? Note: x ^ represents the square of X, and it is better to write down the process
Write a solution
Let m be - 1 and 1
Find out the value of two X's
The range of X is 9 in these two XS
Fill in the blanks
In 1.55018198051 and 2.4, prime numbers have (); odd trees and sums have (); () are divisors of ()
To decompose 165, the prime factor is ()
In 8 15 21 65 102 160, the number divisible by 2 is () and the number divisible by 3 is ()
The number divisible by 5 is ()
The goods transported by car a and car B are 10.5 tons in total. The goods transported by car a are two times less than those transported by car B by one second. How many tons of goods are transported by car a and car B respectively?
A trapezoidal field with 29 meters at the top, 52 meters at the bottom and 10 meters high is planted with rape. The plant spacing is 0.2 meters and the row spacing is 0.27 meters. How many rape plants can be planted in this field
In 1.5 5 0 18 19 80 51 and 2.4, prime numbers have (5,19); odd tree and sum numbers have (19,51); (18) is a divisor of (51). In 8 15 21 65 102 160, prime factors can be divided by 2, by (810 2160), by 3, by (15,21 102) by 5
It's the international Jiangsu edition in 2011, one for each of the two
Can you write the title? Not everyone has this book. If you don't know the title, you can't help each other
1. Guess idioms
The tallest giant - ()
Longest leg - ()
The most beautiful appearance - ()
2. Fill in the blanks
Heart makes you powerful
Heart makes you climb forever
Your heart makes you feel warm
Your heart stops you
Your heart will double your energy
Heart makes you step forward
The heart helps you to solve problems
Your heart will make you feel good all your life
1. Guess idioms
The tallest giant
The longest leg
The most beautiful appearance
2. Fill in the blanks
Faith makes you powerful
Perseverance makes you climb forever
The heart makes you feel warm
(gray) heart makes you stop
Heart makes you more energetic
Heart makes you step forward
Your mind will help you solve problems
A good heart makes you feel good all your life
A. B two ferries travel back and forth between a and B. they start from both sides of the river at the same time. They meet for the first time 700 meters away from a bank. Then they continue to advance at the same speed until they reach the other bank. After arriving at the other bank, the two ferries return immediately. As a result, they meet for the second time 400 meters away from B Bank. How wide is the river?
The first time they met, ship a walked 700 meters. From the first meeting to the second meeting, ship a walked 700 × 2 = 1400 meters. Ship a walked 700 + 1400 = 2100 meters. The width of the river is 2100-400 = 1700 meters. A: the width of the river is 1700 meters
In particular, 1-10 industries should be integrated
When 3678 is subtracted from a number, the number of hundreds and tens of the subtracted number are exchanged in micro computing, and the result is 1571. What is the correct number?
1571+3678=5249
After swapping the subtracted hundreds and tens, it's 5429
5429-3678=1751
The correct number is 1751
RELATED INFORMATIONS
- 1. When Xiao Zhang calculates the division with remainder, he takes the divisor 113 as 131, and the result quotient is 3 more than the original, but the remainder is exactly the same, so the remainder of the problem is () A. 、4B. 5C. 6D. 7
- 2. Multiplication is a simple operation to find several identical ()?
- 3. What is the exact definition of rational number? In the chapter of rational numbers in grade seven, the following questions are not clear: 1. Positive numbers, negative numbers and 0 are all called rational numbers. π is a positive number, but it is not a rational number, 2. Integers and fractions are called rational numbers. 0.999... Can't be converted into exact fractions, but it's rational numbers, 3. Integers and circular decimals are collectively called rational numbers. I think it's more accurate. Why don't we say that in textbooks? If the examination of such a judgment question: positive numbers, negative numbers and 0 collectively referred to as rational numbers or integers, scores collectively referred to as rational numbers. I judge whether it is right or wrong?
- 4. The meaning of three tenths minus two fifths is that we know that two addends () are three tenths and one of them is () to find another addend emergency
- 5. What are the true fractions with denominator 6, and what are the false fractions with numerator 6
- 6. A fraction whose numerator is larger than the denominator is a false fraction___ (judge right or wrong)
- 7. A fraction plus a fraction is one fourteenth Two scores cannot be repeated
- 8. How to calculate all prime numbers within 100
- 9. All prime numbers within 100 fast
- 10. Which numbers within 100 are the product of three prime numbers? Such as the title different
- 11. Fifth grade summer homework Science Find an empty sprite bottle and put it flat on the table. Then do the following experiments (1) Hold the empty bottle by the neck with one hand and pick it up (2) Fill the sprite bottle with water, hold the neck of the bottle with one hand (keep the outside dry) and pick up the bottle (3) Fill the sprite bottle with water, hold the neck of the bottle with one hand (the outside is wet), and pick up the bottle (4) Fill the sprite bottle with water, hold the neck of the bottle with one hand (soap on the outside) and pick up the bottle Comparing the four experiments, what does your hand feel like? What does it mean?
- 12. In the figure below, the distance between the two points is 1cm. To connect several points, get a square with an area larger than 1cm and less than 4cm, and calculate the area, as shown in the figure ... ... ... (period is dot) I know that, but how can I get the area
- 13. Chicken and rabbit are in the same cage, with 45 heads on the top and 126 feet on the bottom?
- 14. 100 exercises for solving binary linear equations It's 40
- 15. Calculation of mathematical equations A factory has stored 50 tons of coal. Due to the improvement of furnace and coal-burning technology, 2 tons of coal can be saved every day, and the stored coal can be used for 20 days more than the original plan. How many tons of coal is the original plan to burn every day?
- 16. 1. Positive fraction, negative fraction are collectively referred to as (), integer and fraction are collectively referred to as () 2. Simplify the symbols of the following numbers: -（+6）= -（-3）= +（-5）= 3. Judgment: Rational numbers include positive numbers and negative numbers Both finite decimal and infinite circular decimal are rational numbers 2 2 3 3 A = B, but not necessarily a = B. () 4. Selection: The following statements are correct A. Positive and negative numbers are called rational numbers B. there is the smallest positive rational number C. There is no maximal positive rational number d. There is no maximal negative rational number D Please solve and answer in 30 minutes. Please refer to the sixth grade mathematics exercise book unit 1 of pep_ ∩)o
- 17. PEP sixth grade mathematics exercise book Volume I answers page 8
- 18. 1. The perimeter of a rectangular piece of land is 268 meters, 32 meters longer than the width, and how many meters is the length? (equation solution) 2. A clothing factory bought a batch of 750 meters of cloth, and after processing for a period of time, the remaining meters are two-thirds of pants, four fifths of tops, and how many meters are used for tops and pants? (equation solution)
- 19. Xiao Wang and Xiao Li process a batch of parts at the same time. Xiao Wang processes eight parts per hour in the first half and ten parts per hour in the second half. Xiao Li processes eight parts per hour in the first half and ten parts per hour in the second half?
- 20. Xiao Li and Xiao Zhang practice running on a 600 meter long circular track. If they start from point a at the same time and walk in opposite directions, it will take 1.2 minutes to meet each other. If they walk in the same direction, Xiao Li will take 3 minutes to catch up with Xiao Zhang 1. What's their speed in meters per minute? 2. How many minutes does it take Xiao Li to make a circle around the circular runway? How many minutes does it take Xiao Zhang to make a circle around the circular runway? (keep one decimal place)