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ڔ(sh)SϾԭc(din)3(g)λL(zhng)ȵc(din)ʾĔ(sh)_____________

ڔ(sh)Sϱʾ6c(din)ԭc(din)___________(c)xԭc(din)___________(g)λL(zhng)ʾ6c(din)ԭc(din)__________(c)xԭc(din)____________(g)λL(zhng)ȣ

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(2)-42.5-1.53.5

ڔ(sh)Sϣc(din)Aʾ-1cc(din)A3(g)λL(zhng)ȵc(din)BʾĔ(sh)___________

e(cu)ԭֻ]c(din)A҂(c)r](mi)](c)c(din)B λЃɷNܣA c(din)(c)3(g)λL(zhng)ȵc(din)-4҂(c)3(g)λL(zhng)ȵc(din)2.

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