M(r, s, t) denotes the average (arithmetic mean) of r, s, and t, and M (x, y) denotes the average of x and y. Column A Column B M (70, 80, 90) M (x, 90) where x = M (70, 80)
A.
if the quantity in Column A is greater
B.
if the quantity in Column B is greater
C.
if the two quantity are equal
D.
if the relationship cannot be determined from the information given
【判断题】When the twelve original members formed the European Union in 1992, the primary motivation was to reassert the region's economic position against the United States and Japan.