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If 0< x < y <10, then A (x, y) represents the area of the region bounded by the number line, the semi-circle, and the vertical segments at x and y, as indicated by the shaded region. 0 < a < b < c < 10
Quantity A
A (a, b) + A (b, c)
Quantity B
A (a, c)
C显示答案
以上解析由 考满分老师提供。