问题描述：
英语翻译
Every edge of a cube is colored either red or green.In order to have at least one red edge on every face of the cube.Find the minimum number of edges that must be colored red.
When 31513 and 34369 are such divided by a certain 3-digit number,the remainders are equal.Find this remainder.
When you look at the Train tracks,you will find there is a gap between each piece of steel track.Why?
There are two kinds of energy in Nature.They are Renewable energy and Non-renewable energy.Give me three examples for each kind.
Renewable energy
Non-renewable energy
There is a connection between the house numbers and the names of the people who live there.Write the number of the last house,please.
Which is the missing circle,A,B,C,D,or
Every edge of a cube is colored either red or green.In order to have at least one red edge on every face of the cube.Find the minimum number of edges that must be colored red.
When 31513 and 34369 are such divided by a certain 3-digit number,the remainders are equal.Find this remainder.
When you look at the Train tracks,you will find there is a gap between each piece of steel track.Why?
There are two kinds of energy in Nature.They are Renewable energy and Non-renewable energy.Give me three examples for each kind.
Renewable energy
Non-renewable energy
There is a connection between the house numbers and the names of the people who live there.Write the number of the last house,please.
Which is the missing circle,A,B,C,D,or
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