Thu gọn đa thức sau và tìm bậc của mỗi đa thức a) A=2x^2 y^5-5x^3 y-7x^2 y^5+4x^3 y-8x^2 y^5+6x^3 y;
c) C=2x^2 y-8y^2+5x^2 y+5z^2-3y^2+4z^2

the answer is a

step-by-step explanation:

answer: i guess 105 degrees?

step-by-step explanation:

given hc ∥ gd.¯¯¯¯¯¯which statement is true

step-by-step explanation:

∠cbe and ∠deb are same-side interior angles

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d