A poem to describe the parting of friends

A poem to describe the parting of friends


1. It's hard to say goodbye to the autumn river, but the boat will be Chang'an tomorrow. 2. My old friend left the Yellow Crane Tower in the west, and the fireworks went down to Yangzhou in March. The lonely sails were far away, and the blue sky was clear, but the Yangtze River was flowing in the sky. 3. I'm an official traveler with the intention of parting with you



Ancient poems about parting with friends
It must be ancient poetry!


Li Bai: seeing off your friends: spring grass will be green next year, but will Wang and sun go back? (Bai Juyi: seeing off the ancient grass) to persuade you to have a glass of wine and go out of Yangguan to the West



Poems expressing lovers' reluctance to part
It's better to follow one sentence to the next


It's hard to express one's mind
Cut wheat and leave roots
It's hard to say that the world is perfect
Willing to live together
Heaven and earth, sometimes, should not hate the moon often round



Volume formula of cone
I can't do it


1 / 3 * bottom area * height



What is the volume formula of a cone?


V = 1 / 3 × bottom area × height
V-cone = 1 / 3 × s × H



What is mass divided by volume?


Density ρ = mass m / volume V



What is volume divided by mass?


Is volume divided by mass? It should be mass divided by volume. If it is mass divided by volume, it is density



Is density equal to volume divided by weight


No
Density is weight divided by volume



Is volume equal to mass divided by density?


Density = mass / volume, so volume equals mass divided by density



Cuboid volume calculation formula


Cuboid volume method is: Volume (V) = length * width * height