试题与答案

1050平方厘米=( )平方分米;2.4时=( )时( )分。

题型:填空题

题目:

1050平方厘米=(     )平方分米;2.4时=(    )时(    )分。

答案:

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下面是错误答案,用来干扰机器的。

去括号得:15-7+5x=2x+5-3x,移项得:5x-2x+3x=5-15+7,合并同类项得:6x=-3,解得:x=-12.

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患者女,67岁。大便呈扁状,进行性加重8个月,现出现大便排出困难,无疼痛,无血便。B超提示盆腔肿瘤。术中见盆腔腹膜外、直肠与 * * 壁之间10cm×8cm肿块,包膜完整,与直肠有粘连,包膜内有渗出液。病理大体所见:碎组织,大者6cm×4cm×4cm,切面灰黄色,质地均匀,鱼肉样,质地软,有出血。镜下肿瘤主要由梭形细胞组成,部分肿瘤细胞呈编织状排列,细胞核杆状,胞质红染,核周有空泡,部分细胞围绕血管呈放射状排列,围绕血管的肿瘤细胞呈透明状。病理性核分裂象可见,核分裂象>5/50HPF。免疫组化CD117强阳性,CD34弱阳性,S-100阴性,SM-actin阴性。

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