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<image> Color the circle blue and the triangle yellow. | 略 |
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<image>Use the bisection method to find a zero of the function \(f(x) = \log(x) + x - 3\). Based on the reference data, an approximate solution (accurate to 0.1) of a zero of the function \(f(x)\) is (___).
(Reference data: ) | 2.6 |
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<image>Execute the program flowchart shown on the right, the output value of y is __________.
| 1 |
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<image>Move the ruler to measure the length of the line to the nearest centimeter. The line is about (_) centimeters long. | 4 centimeters |
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<image>If the program shown in the image is executed, then the output value s = ___ .
| 3825 |
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<image>As shown in the figure, the parabola $$y = ax^2 + bx + c (a \neq 0)$$ passes through the origin and the point $$(-2,0)$$, then $$2a - 3b$$ ________ $$($$choose "$$>$$", "$$<$$" or "$$=$$"$$) 0$$. | > |
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<image>Calculate: |-2| - + 2sin30°. | 1 |
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<image>A security department, in order to ensure secure information transmission, uses a key encryption system. The principles of encryption and decryption are shown in the diagram:
Now, let the decryption key be: \( x \to y = a^x \) (where \( a > 0 \) and \( a \neq 1 \)). As shown above, if the ciphertext "3" is decrypted to obtain the plaintext "8", then when the sender inputs the plaintext "4", the ciphertext received by the receiver should be "___". | 2 |
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<image> Fill in the blank with ">" or "<": ○0 (You can use a calculator). | > |
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<image> Read the program flowchart shown in the image. After running the corresponding program, the output value of $$S$$ is ______ . | 0 |
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<image>Eli drew a board on the floor with nine squares and wrote a number on each of them, starting from 1 and adding 3 units to each new number he wrote, until he filled the board. In the picture, three of the numbers that Eli wrote appear. Which number below can be one of the numbers she wrote in the colored box?
A. 10
B. 14
C. 17
D. 20
E. 22 | E. 22 |
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<image>(Autumn 2016, Xinghua City Monthly Exam) As shown in the figure, the students of Class 1, Grade 7, wrote "放飞我的梦想" ("Let my dreams fly") on the unfolded shape of a cube in their math class to save resources, using it as a banner for their class meeting. If this sheet of paper is folded back into a cube, the character opposite to "放" ("let") will be _____. | 梦 |
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<image>In the complex plane, the point corresponding to the conjugate of the complex number (where \(i\) is the imaginary unit) is located in the __________ quadrant. | Fourth quadrant |
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<image>Execute the program flowchart as shown in the diagram, then the output n = ____.
| 5 |
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<image>If a flowchart is shown in the image, then the result of execution is ______ .
| 6 |
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<image>The driver of the car sees the license plate number of the car behind them in the rearview mirror. The actual license plate of this car is ____. | 81938 |
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<image>Below is a line chart recording a patient's body temperature over a period of time.
(1) The patient's body temperature was measured every _____ hours.
(2) The difference between the patient's highest and lowest body temperatures is _____ ℃.
(3) From 12:00 to 16:00, the patient's body temperature increased by _____ ℃.
(4) From 16:00 to 20:00, the patient's body temperature decreased by _____ ℃.
(5) During which period was the patient's body temperature consistently decreasing? | 4 |
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<image>The result of running the program shown in the image is ____.
_ | 16 |
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<image> Naughty stained this question, did he do it right? ____. (Judge whether it is correct or not) | Wrong |
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<image>Formulate the calculation
(1)
(2) A number is 9 less than 5 times 38. What is this number? | 145 |
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<image>Picture $X$ is paired with picture $Y$. Which of the following pictures is paired with picture $G$ ?
A. A
B. B
C. C
D. D
E. E | E. E |
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<image>Xiao Zhang took a photo using his phone and obtained image A. After enlarging it, he obtained image B. The corresponding line segment AB in image A is the line segment (_ _) in image B.
| EF |
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<image>A kangaroo laid out 3 sticks like this to make a shape. It is not allowed to break or to bend the sticks. Which shape could the kangaroo make?
A. A
B. B
C. C
D. D
E. E | E. E |
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<image>Subtract all gray cylinders. How many purple balls are left? | 0 |
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<image>Marco's father took a picture of his son in front of the car shown beside. Which of the drawings below could represent this picture?
A. A
B. B
C. C
D. D
E. E | E. E |
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<image>According to the program shown in the image, if the input is x=1 and n=5, the output x=_____. | 63 |
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<image>Look at the picture and choose a number.
___ | 2 |
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