☆ The fifth power of a single item-10, the coefficient of the third power of the square y of X is (-10 to the fifth power), and the degree is (5).

☆ Polynomial xy -9xy+5x? The quadratic coefficient of y-5 is (-9)

☆ If the polynomial 1/3x is cubic binomial, find the value of m n (m=2, n=-3).

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☆ If the square y of (m- 1)x is a quadratic monomial about x y, what is the coefficient of the monomial at this time? (m=- 1, coefficient =-2)

☆ Single item ﹣x? The coefficient of y/7 is (-1/7) and the degree is (3).

☆ (unit cube) If the monomial -x is m power y? If the number of times is 5, then m=( 2)

☆ If the absolute value of the nth power of -mxy-1 is a monomial about xy, the coefficient is 2 and the degree is 3, then m= (plus or minus 2).

n=( 3)

☆ (unit cube) If (m+2) x? If the n power of y -2 is a monomial about x y and the coefficient is not zero, then m n satisfies the condition m= (not equal to -2) n= (greater than 2).

☆ The quintic B-2A+ 1 of polynomial 3a is a (6) degree (3) term.

☆ The following statement is correct: (2) Fill in the serial number.

1. The coefficient of the monomial -πxy/2 is-1/2 2. The coefficient and degree of single n are 1 3. The coefficient and degree of AB are 0 and 14a/44a respectively. They are all monomials.