????? 3·4??? ????? ???? ?? 408??? 213????? 26? ????. ?? ???? ????? ?? ??? 7442?????.

???? “13? ?????? ??? ?? ???? ?? 470??? ??? ??? ??? ???”? ????.

? ?? ???? ??? 1·4??(1～3?) 549??, 2·4??(4～6?) 669?????? 3·4???? ??? ??? ???. ???? ??? 2·4???? 56?? ??? ???? 3·4???? 307?? ??? 5? ?? ???.

??? ?????? 9? ??? ?? ?? ????? 2770??? ???? ? ?? ????? ???? ??? ???.

?? ?????? 3·4?? ????? 495???? ???(545?? ??)?? ???? ?????? ??? ????? ????.

? ??? 3·4?? ??? 527???? ???(434??)?? 21% ???. ?? ???? “4·4??(10～12?)??? ?? ??? ??? ??? ??”??? ???.

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