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1. All mathematical formulas should be mastered only for more use, it is recommended to write the relevant formulas before writing the question every time, and remember it if you write more.
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Repeat what you want to memorize many times. Eat more nuts and fish.
I really forgot where I forgot to go to the toilet, what do you think I have in my house, and when a person is sleeping in bed
Electromagnetic radiation, when you turn off the machine, there is no electricity that comes from electromagnetic radiation?
You're turning on too much.
And the sound of your mouse and keyboard can be heard by others, which can only mean that the walls of your home are too thin and the sound insulation effect is low, so others can hear it, and there is no way to solve this. >>>More
If it is a vertical sewer pipe built with bricks, there is no need to wrap soundproof cotton, wrap soundproof cotton and then use bricks, which takes up a lot of space, and is not too ugly, and the horizontal pipe of the bathroom can be wrapped with silent cotton, and then the ceiling is suspended.
When planting vegetables on the balcony, pay attention to ventilation, pay attention to light, and like light. >>>More