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1.The world's ultra-high-speed mask machine: fully automated production line, 1000 masks in 1 minute, with a daily production capacity of more than 1.2 million pieces.
2.It takes 360 hours to build a 30-storey building that is resistant to level 9 and can withstand level 9. 3.
Huoshenshan Hospital: The whole process is live, and the delivery is completed in 10 days.
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Hello, there is no solution to this problem.
Because the sum of the three numbers is an odd number.
And 30 is an even number.
So there is no solution to this problem.
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I can't solve it at all, and I want to add all odd numbers.
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1 All nail tips can be regarded as the extension of the hand, then there is a relationship between the tip (hand) and the board between the force and the reaction, so the tip is ten n to the board, to the right, and the plank is also ten n to the tip, to the left.
Pressure=10 (
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cdb=∠feb
Cd ef (equal isotopic angles, two straight lines parallel).
2 4 (two straight lines parallel to each other, equal at the same angle) and 1 2
dg bc (equal internal wrong angles, two straight lines parallel).
b adg (two parallel lines, equal angles) carry auspicious.
2) Solution: Fan Shen can obtain DG BC from (1).
BCA C 80° (two straight lines parallel, equal isotope angles) look, thank you!
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<> the correct answer, you only ask questions, and if you don't answer correctly, you will be bored! Thank you admin for the recommendation!!
Friend, please [answer], your lack is the dynamic argument of my answer, if you don't understand, please ask. Thank you.
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Formula s=vt-1 2at
120 km Small front time = 100 3 m seconds.
t=.
s=100 3 m rock smile.
t=.
s=100 3 meters.
The safety distance is from the meter to the meter.
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This is not the law of conservation of momentum, it is divided into three sections, before braking, when braking, after braking, the momentum is conserved column, the velocity is interpolated, and the energy is conserved to find the distance.
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1. A and Hu B.
2. A. 3. M ml2 L1, the bright core will move point b to the left until the lever restores the shock balance.
I don't know what to ask.
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The adsl we use here is up to 8M, but it is generally on 2M broadband, so the speed is about the same as you said, in fact, the reason why we are slow, the main reason is that we open the upload speed is slow. If it's faster, it should be faster. This is relative.
Original content of the textbook:
Reason: At the end of the 15th century, the extensive development of the commodity economy and the continuous expansion of exchange in Western European countries made ** the most important means of payment in commodities**, and ** in Eastern countries became the dream of Western Europeans. >>>More
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