Question

已知x=(16/3)的0次方,y=(—1/3)的—1次方求((y-2x)(-2x-y)-4(x-2y)的平方)÷3y

Answer 1

x=(16/3)的0次方=1

y=(—1/3)的—1次方=3

((y-2x)(-2x-y)-4(x-2y)的平方)÷3y

=( (3-2)(-2-3)-4(1-6) )÷9

=5/3