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1.General question answer hint:

Multiplication symbol required between number and letter:

(Please write your answer in algebra, ^ standards for power ,* means multiplication, number and letter must be separator by operator, i.e. "t^3+12t" MUST be input as "t^3+12*t","1/(100x)" MUST be input as "1/(100*x)")

Square root:

(Please write your answer in algebra, "sqrt(101)" stands for )

n-th root: "root(2,5)" stands for or you can just input 2^(1/5).

2.Multiple answers for one question:

If you have 3 answers to the question, such as 12,23,65, please input "{12,23,65}".

The question hint:

(Please write your answer in set symbol, {a,b,c} means this question has three answers:a,b,c)

3.Recurring decimal numbers:

If your answer is "", the question hint:

(Please write your answer as "0.0\overline{234}",quotation marks required)

4."infty" stands for :

If your answer is "", just input "infty" for your answer

5."sum" stands for :

If your answer is "", just input "sum(x^(2*n-i)*y^i,i,0,2*n)" for your answer

6.Write with set symbol:

If your answer is "", just input "{5*i,-5*i}" for your answer

7.Write "pi" for :