摘要:4.若∠1=20°18′.则∠1的余角的度数= ° ′
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A. 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
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A. 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
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