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最新问答: 递等式计算(能简便的要简便) ①( 3 8 + 5 6 )÷ 1 24 ②2.5×13×0.42 ③5.3×12-33. 1点2小时竽于多少分钞 已知点e在rt三角形abc的斜边ab上 以ae为直径的圆o与直角边bc相切于点d 求证 ad平分角bac 已知tanα=√3,π 马() 狮() 犬() 鸡() 里面是填一个表示“叫”的词! 笑对人生用英语怎么说 一个作文[听雨] 不用百度的 已知抛物线y=ax2+bx,当a>0,b (2014•达州模拟)如图示为一固定在水平地面上的轨道ABC,AB与水平面间的夹角为θ=37°,BC水平.一小物体(可视 焦点在Y轴上,且经过两个点(2,0)和(1,0),求椭圆的标准方程.求具体过程, 求函数y=tan(x+7/派),x不等于14/5派+k派(k∈z)的单调区间 高中数学中如何解简单的一元三次方程 别用什么盛金公式那么高深的,请详细讲讲怎么用分解因式.提取公因式等简单方法解3次方程 鲁教版六年级上册生物试题及答案 有碳酸钙沉淀,为什么不能引入氢氧根离子 [sin(2πx /L )*sin (2aπt /L)*sin(nπx/L) ]在【0,L】上对x求定积分(a ,t常数 cuso4与ca(oh)2反应后质量的变化 某人以等速在一条路上走,相邻俩棵树的距离相等,她从第一棵树走到第10棵用了11分钟,如果走22分钟到第几棵 初二下英语第一单元英语短语及用啦 求求你们 公交车总站1路和2路公共汽车总是早上6时同时发首班车.1路车每隔8分钟发一辆车,2路车每隔10分钟发,公共汽车几时几分第 求证:平行四边形对角线的平方和等于它各边长的平方和