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bd
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/iknow-pic.cdn.bcebos.com/21a4462309f79052d77093ec01f3d7ca7acbd5f1"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/21a4462309f79052d77093ec01f3d7ca7acbd5f1?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2...
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1、坚持参加适当的体育锻炼,有意培养良好的排便习惯,比如早上一起来就排便,排便时间要固定。2、多吃富含纤维素的食物,比如燕麦、水果、各种绿色蔬菜等。3、如果发现自己身体有异常及时去医院检查治疗,每年检查一两次身体,早发现问题早治疗。/iknow-pic.cdn.bcebos.com/e850352ac65c103880bd7ac7bf11...
邮政小包和顺丰快递是不放假的。如果不方便寄这两个快递的话,可以选择年后再寄也没事的。淘宝系统的退款时间延长了,年后再寄也是可以的。/iknow-pic.cdn.bcebos.com/6a600c338744ebf829025b0bd7f9d72a6059a796"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn....
解:由等腰梯形的性质可得:BD=AC,∴1 2 BD2=49,∴BD=7 2 ;∵AB=DC,AC=DB,BC=CB,∴△ABC≌△DCB(SSS),∴∠ACB=∠DBC,又∠BOC=90°,∴∠OCB=45°,又AF⊥FC,∴△AFC为等腰直角三角形,且斜边AC=DB=7 2 ,根据勾股定理得:AF2+FC2=AC2,∴2AF2=98,解得:AF=7 ...
2.如果是用手机号注册的,在登录界面输入手机号,点击下一步。/iknow-pic.cdn.bcebos.com/7c1ed21b0ef41bd5147ccd7c5dda81cb39db3d0e"target="_blank"title="点击查看大图"class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/7c1ed21b0ef41bd5147ccd7c5dda81cb39db3d0e?x-bce-process=...
三角形ABD和三角形ADC的面积相等 三角形ADC的面积X2=三角形ABC的面积 :2X ACXCD/2=ACXBC/2 D为CB的中点 CB=2CD=2DB=2X根号7 在直角三角形ABC中 (2X根号7)/AB=sin60'=(根号3)/2,AB=4(根号21)/3
x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="https://iknow-pic.cdn.bcebos.com/0eb30f2442a7d9335ee1956fa24bd11373f00164"/> 10、然后就可以正常浏览了。/iknow-pic.cdn.bcebos.com/7dd98d1001e9390108f5fc2274ec...
7、正册判词之湘云 画:几缕飞云,一湾逝水。判词:富贵又何为?襁褓之间父母违;展眼吊斜晖,湘江水逝楚云飞。8、正册判词之可卿 画:高楼大厦,有一美人悬梁自缢。判词:情天情海幻情身,情既相逢必主淫;漫言不肖皆荣出,造衅开端实在宁。9、正册判词之李纨 画:一盆茂兰,旁有一位凤冠霞帔...