The coefficients and times of X-Y, - A's quadratic, B's cubic + A's cubic, B's quadratic, 2 / 2 x-3 y, 3A's quadratic + 2B's cubic

The coefficients and times of X-Y, - A's quadratic, B's cubic + A's cubic, B's quadratic, 2 / 2 x-3 y, 3A's quadratic + 2B's cubic

Polynomials have no coefficients
Only the number of times and items
X-Y, the number of times is 1, the number of terms is 2
-A & # 178; B & # 179; + A & # 179; B & # 178;, the number of times is 5 and the number of items is 2
X / 2-y / 3, the number of times is 1, the number of terms is 2
3A & # 178; + 2B & # 179;, the number of times is 3, and the number of terms is 2