?Dêü°?(鏚????)

光泽60 价格
???看到这个LOGO你肯定会记起它
??ò?úoüD?μ?ê±oò£??íoüo???°?μ?μ×ê?ê2?′£?

????μ±?ò?¤?óoó£??¥???1á?×??a£???μ??òà?£??ú?3é?D?μ?μè′y?è?èμ?°2???£

?????éê?μèμ?μ?ê??è?èμ??e±?oíò??ù′ò?£?ò??ê±ò??±2????è?è?aê2?′???ùoYD??£

??????×??êá?μ???3¤£??¥?¥?÷°×?è?èê??úó?×??oμ?·?ê??ú°??ò?£òò?a?ò′óò?3?éú£????í′?óD2D?2?£?-3£?á?¤?ó£??è?è?e±??òê??úè??ò?÷°××??oóDò???2????μμ?éíì?£??í?üó|???§?áê±ê±D?D?£?2?òaêüé??£

????óDò?′?£??òoíáú?óo¢×ó·¢éú3?í?£??òμ?á3±?×¥é?á?£?°?°???μ??ò?′μ??òμ?á3£?o??¢??μ????1è?·¢?eá?£??üμ?áú?ó?ò?ìóyá?×¥é??òμ?á3μ?????o¢×ó?£?òé?é?μ??Dêüμ?á????????òμ?1?°??£

???????ú£??è?è??ò??-è¥êàá?£?°?°?ò2à?á?£??ò?y?úó?????°??òμ?·?ê?à′°??òμ?à?°??£è??òμ?°?°??ú°?μ?1??3??°2?ííí?ê?£

?????úéú???D£??ò???-3£?á?Dêüμ?à′×??÷·??÷????°?£?μ?ê?μ±?ò???ú?íêü±eè????ò??μ?°?μ?í?ê±£??ò??óD??óD??1y??êμ?a?à?′???ü?é1ó°?£?

???????′£??ò??ó|???a??D????ò??°?μ??×è?£??óó?ê2?′??£?

?????íê??ú?????à??£?à§??£??Yè?à§?3ê±£??ò??éì3?ê?è¥1?°?????£???2?ê???2?1?D?£?êóí??°?·?£?aμà?e£?×?é?o|è?μ?ê?ê2?′£?ê??×è?μ?±3??£??óó?μ???襣?ê??ê£??ù?á??μ?è?ò2?-2??e?a?ùμ??3μ?°?£?

?????ùò?£??ò??ó|????×??o??á|£?è?±eè??Dêüμ?°?£?±è?e???üèYò×?ˉè?D??£??



í??????á:
如图.在 ABC内有一点O. 1 过O作OD BC于D点, 2 过O作OE AB交BC于点E.则 B 900

相关推荐