A.a=1,b=2 B.a=-1,b=2 C.a=1,b=0 D.a=-1,b=0

A.a=1,b=2 B.a=-1,b=2 C.a=1,b=0 D.a=-1,b=0

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A.200~225h B.226~250h C.251~270h D.271~290h

A.200~225h B.226~250h C.251~270h D.271~290h

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A.23.5%~24.5% B.20.5%~21.5% C.19.0%~20.0% D.17.5%~18.5%

A.23.5%~24.5% B.20.5%~21.5% C.19.0%~20.0% D.17.5%~18.5%

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