每76秒就有人确诊乳腺癌
@宓菊2203:怎么治疗?有点甲亢的感觉?什么道理?身体持重,感觉心跳快 - 甲亢 - 复...
元定15238912647…… [答案] (2)未收绳时AB=5÷tan30=5 米 收绳8秒后,绳子BC缩短了4米,只有6米,即CD=6米, 在Rt△ACD中,由AC=5米,CD=6米, 根据勾股定理得船到河岸的距离AD=根号11 米. 故移动距离DB=AB-AD=(五倍根号3-根号11 )米, 故答案为( 五倍根...
@宓菊2203:一道概率计算题根据以往的临床记录,某种诊断癌症的试验具有如下的效果:若以A表示事件"试验反应为阳性",以C表示事件"被诊断者患有癌症", - ... - 作业帮
元定15238912647…… [答案] P(A|C反)=1-P(A反|C反)=0.05 由贝叶斯公式得:P(C|A)=P(C)P(A|C)/[P(C)P(A|C)+P(C反)P(A|C反)] =0.95*0.005[0.95*0.005+0.995*0.05] =0.087
@宓菊2203:英语翻译在2005年,我的奶奶患癌症去世了,这对我来说是个打击,因为事情发生的非常突然,觉得生命特别的渺小,所以我现在特别珍惜身边的每一个人,... - 作业帮
元定15238912647…… [答案] in the year of 2005,my grandma was died for cancer.It was a big strike to me because it happened in a sudden.I felt that life was a so tiny thing in this world.Therefor I cherish every person around me so much now,and wish everyone a healthy life.
元定15238912647…… [答案] (2)未收绳时AB=5÷tan30=5 米 收绳8秒后,绳子BC缩短了4米,只有6米,即CD=6米, 在Rt△ACD中,由AC=5米,CD=6米, 根据勾股定理得船到河岸的距离AD=根号11 米. 故移动距离DB=AB-AD=(五倍根号3-根号11 )米, 故答案为( 五倍根...
@宓菊2203:一道概率计算题根据以往的临床记录,某种诊断癌症的试验具有如下的效果:若以A表示事件"试验反应为阳性",以C表示事件"被诊断者患有癌症", - ... - 作业帮
元定15238912647…… [答案] P(A|C反)=1-P(A反|C反)=0.05 由贝叶斯公式得:P(C|A)=P(C)P(A|C)/[P(C)P(A|C)+P(C反)P(A|C反)] =0.95*0.005[0.95*0.005+0.995*0.05] =0.087
@宓菊2203:英语翻译在2005年,我的奶奶患癌症去世了,这对我来说是个打击,因为事情发生的非常突然,觉得生命特别的渺小,所以我现在特别珍惜身边的每一个人,... - 作业帮
元定15238912647…… [答案] in the year of 2005,my grandma was died for cancer.It was a big strike to me because it happened in a sudden.I felt that life was a so tiny thing in this world.Therefor I cherish every person around me so much now,and wish everyone a healthy life.