From 3:00 p.m. to 9:00 p.m., the clock rotates () degrees clockwise

The clock rotates (180) degrees clockwise from 3pm to 9pm

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1. How many degrees can the minute hand of the clock coincide with the hour hand when it is rotated clockwise from 4 o'clock It is better to write out the equations and the analysis process
2. When the minute hand of the clock rotates clockwise from 4 o'clock, how many degrees does the minute hand coincide with the hour hand? One minute, the minute hand goes 6 degrees, one minute, the hour hand goes 0.5 degrees.
3. How many degrees does the minute hand of the clock rotate clockwise to coincide with the hour hand from the 4 o'clock position? Formula, my friends
4. Between 4 o'clock and 5 o'clock, how many degrees does the minute hand of the clock rotate clockwise from the 4 o'clock position? Is the minute hand coincided with the hour hand?
5. How many degrees does the minute hand of the clock rotate clockwise to coincide with the minute from the positive position of 4 o'clock
6. The center of symmetry of the inverse function of F (x) = x-a / x + A is (1, - 1) to find the real number a ----If the center of symmetry of function f (x) is (- 1,1), then - 1 + a = 0, then a = 1 (then - 1 + a = 0, then a = 1) I can't understand why I bring - 1 to the denominator and let the denominator = 0
7. If a function is symmetric with respect to a point, is its inverse symmetric with respect to that point
8. Function and inverse function of the image about what symmetry
9. The inverse function of y = LNX and the inverse function image of y = ln (1 / x) are symmetric with respect to
10. If the inverse function image of y = (A-X) / (x-a-1) is centrosymmetric with respect to the point (- 1,4), then the value of a is? The answer is that a is 3 What should we do
11. From 3:00 p.m. to 6:00 p.m., the hour hand rotates () degrees clockwise, and the hour hand walks (-) circles
12. From 3 o'clock, after the clockwise rotation of 450 degrees, when does the clockwise point?
13. From 3 p.m. to 9 p.m., the clock rotates () degrees clockwise
14. On the clock face, if the minute hand rotates one circle, then the angle of the clockwise rotation is () degrees
15. On the clock face, if the minute hand rotates for one circle, how many degrees does the hour hand rotate?
16. On the clock face, if the minute hand rotates for one circle, then the angle of the clockwise rotation is () degrees
17. How many degrees does the minute hand rotate on the clock face
18. On the clock face, if the minute hand rotates one circle, then the degree of the clockwise rotation is______ ．
19. The hour hand from 6 o'clock to 12 o'clock revolves () degrees around the center of the clock face
20. After the minute hand revolves around the center of the clock face for 3 circles, the hour hand revolves around the center of the clock face ()