Question 2: What does the difference mean in mathematics? It means how much less one number is than another.
Such as 4 and 2.
It can be said that the difference between 2 and 4 is 2.
That is, 2 is less than 4.
Question 3: What is the meaning of extreme value range in junior middle school mathematics? Just remember! ! ! ! ! ! ! ! ! Range is the largest and smallest number in the group. Difference and temperature difference are the same. The variance is 1/ group number ((one number-average) 2+ (another number-average) 2+ ...) Variance indicates the fluctuation of numerical value. For example, it depends on variance to reflect whether a person's grades are stable, okay?
Question 4: What do the terms in mathematics mean? It is easy to address, remember, explain and use, and the names given to a part of the formula are universal in mathematics.
-A is a project,
1+x+xy+xyz is four terms.
respectively are
1,x,xy,xyz
3x-8y+2z-6 is four terms.
respectively are
3x,-8Y,2z,-6