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8???=26.6666667??????(cm)8??????(in)=20.32??????(cm)???1???=10??????1???=24.9????????????1???=10???,1???=10??????1???=31.1????????????1???=10???,1???=10???,1???=10??????1???=19.9????????????1???=10???,1???=10???,1???=10???,1???=10??????1???=27.7????????????1???=10???,1???=10???,1???=10???,1???=10??????1???=27.7????????????????????????1???=10???,1???=10???,1???=10???,1???=10??????1???=23???????????????1???=10???,1???=10???,1???=10??????1???=24.1???????????????1???=10???,1???=10???,1???=10??????1???=23???????????????1???=10???,1???=10???,1???=10??????1???=24.5??????????????????1???=10???,1???=10???,1???=10??????1???=24.5??????????????????1???=10???,1???=10???,1???=10??????1???=24.5?????????1???=29.6????????????1???=10???,1???=10???,1???=10???????????????1???=29.6??????;?????????1???=23.5????????????;??????1???=10???,1???=10???,1???=10???????????????1???=31.1??????????????????1???=36????????????1???=10???,1???=10???,1???=10??????1???=30.7????????????1???=10???,1???=10???,1???=10??????1???=30.7????????????1???=10???,1???=10???,1???=10???????????????:1???=34??????????????????:1???=32.7??????????????????:1???=31.1????????????1???=10???,1???=10???,1???=10???????????????:1???=35.5??????????????????:1???=34.5??????????????????:1???=32???????????????1???=10???,1???=10???,1???=10??????1???=33.33????????????????????????15???,???????????????????????????,????????????????????????,???????????????667????????????,????????????,????????????.???????????????????????????.???????????????.??????????????????.??????????????????????????????.???:??????(???????????????????????????????????????????????????);??????(?????????????????????????????????);??????(?????????????????????)
8?????????26.67????????????26.67?????????
8????????????20.3*15.2cm???
8??????????????????????????????????????????8??????=25.4mm??8=203.2mm=20.32?????????
???????????????????????????????????????????????????????????????????????????(10???=1??????10???=1???)??????????????????????????????????????????????????????1???????????????2????????????????????????????????????????????????(1???=3.33?????????,???????????????????????????????????????,????????????????????????(1??????=2.54??????)??????????????????????????????????????????????????????
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????????????????????????????????????????????????????????????????????????2??????
?????????????????????????????????????????????????????????????????????????????????????????????3??????
????????????????????????????????????????????????????????????????????????????????????????????????????????????cm.???1??????=1/100??????1cm????????????=10mm????????????=0.1dm????????????=0.01m????????????
????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????m?????????????????????????????????
8???=26.6666667??????(cm)
8??????(in)=20.32??????(cm)
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1???=10??????1???=24.9?????????
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1???=10???,1???=10??????1???=31.1?????????
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1???=10???,1???=10???,1???=10??????1???=19.9?????????
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1???=10???,1???=10???,1???=10???,1???=10??????1???=27.7?????????
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1???=10???,1???=10???,1???=10???,1???=10??????1???=27.7?????????
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1???=10???,1???=10???,1???=10???,1???=10??????1???=23?????????
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1???=10???,1???=10???,1???=10??????1???=24.1?????????
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1???=10???,1???=10???,1???=10??????1???=23?????????
??????
1???=10???,1???=10???,1???=10??????1???=24.5?????????
?????????
1???=10???,1???=10???,1???=10??????1???=24.5?????????
?????????
1???=10???,1???=10???,1???=10??????1???=24.5?????????1???=29.6?????????
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1???=10???,1???=10???,1???=10???????????????1???=29.6??????;?????????1???=23.5?????????
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1???=10???,1???=10???,1???=10???????????????1???=31.1??????????????????1???=36?????????
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1???=10???,1???=10???,1???=10??????1???=30.7?????????
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1???=10???,1???=10???,1???=10??????1???=30.7?????????
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1???=10???,1???=10???,1???=10???????????????:1???=34??????????????????:1???=32.7??????????????????:1???=31.1?????????
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1???=10???,1???=10???,1???=10???????????????:1???=35.5??????????????????:1???=34.5??????????????????:1???=32?????????
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1???=10???,1???=10???,1???=10??????1???=33.33?????????
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