???????
???
??????????????????????????????????
???
???6??????????????????????????????????????????????????????????????????????????????????????????????????????
???
????????????????????????????????
?????????????(?????)?84???62??86??
??????
1,
????.????????????????
2.????????8-10??
3.???1?????????????????????????
4,
??????? ?????? ??????????????????.?????????1/3
??????
1,
????????,
?????.?????????????????????????????????
2,
????.???????????????????
3.??????????????
???????
1.????????????????
2,
????? ????? ???????form,
?????.??????????????????
3.???????????????
4.?????????????????
??=?? X 0,
?????.51 ( :??160cm????=160cm X 0,
??????.51=81.6cm )
??=?? X 0,
?????.34 ( :??160cm????=160cm X 0.34=54.4cm )
??=?? X 0,
?????,
?????.542 ( :??160cm????=160cm X 0,
?????,
????? ???? ????????????????????.542=86.72cm ) ?????
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