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若∠A = 20°18′,∠B = 20°15′30〃,∠C = 20.25°,则
A.∠A>∠B>∠C B.∠B>∠A>∠C
C.∠A>∠C>∠B D.∠C>∠A>∠B
若∠A = 20°18′,∠B = 20°15′30″,∠C = 20.25°,则( )
A.∠A>∠B>∠C B.∠B>∠A>∠C C.∠A>∠C>∠B D.∠C>∠A>∠B