三个字组成的字带拼音

为什么用深度优先算法查找连通分支能用广度优先算法吗?为什么? 设D是曲线y=√(2x-x^2)与直线x+y=2围成的平面区域,求I=∫∫(D为积分区域)(x+y)dxdy 求∫∫x(x+2y)dxdy,其中面积D是由曲线x的平方+4×y的平方=2x+8y-1组成的平面区域.我知道可以做平移,设x-1=u,y-1=v,为啥我用x-1=u,2y-2=v做就不对呢? 设D是xoy平面上由直线y=1,2x-y+3=0与2x-y-3=0所围成的区域,求∫∫（2x-y）dxdy.在D域内.题目是高等数学二重积分的计算：∫∫（2x-y)dxdy,D是由y=1,2x-y+3=0,x+y-3=0围成的区域 Tom andhis father are flying a这句对吗 kite now 小学五年级下册趣味数学题 She took part in a race to row a___ the Atlantic.那个是对的？ Joe was 5th highest and 5th lowest in a race.How many people took part in the race? I dreamed that l took part in a race.At first,帮找出错误并指出改正谢谢, Your item was not delivred successfully, 在2014年9月6号凌晨12点15的英文是什么 he took part in the long jump yesterday用tomorrow改写 I did the long jump yesterday .(对划线部分提问（did the long jump)———— ———— you ———— yesterday successfully什么意思 submitted是什么意思? for(Token token : tokens)是什么意思? successfully是什么意思? 关于基本不等式,解析, 高中数学线形规则题不画图能不能解出来 若∠a和∠b的两边互相平行,且∠a比∠b的三倍少20°,则∠a= A、B两数相差20,A数是B数的3倍,求A、B两数各是几? 简答题我国如何实现民族关系平等团结共同繁荣 ∠A和∠B的两边互相平行,∠A比∠B的三倍少20°,则∠A为多少 Peter took the second place in the 100-metre race.(对划线部分提问 the second划线） 连词成句second took race 100-metre the place in theeter 若10^a=20,10^b=1/5,求3^a除3^b的值 已知10^a=20,10b=5分之一,求3^a除以3^b的值 详细步骤 改错1.She asked me if I had found out my new pen.1.She asked me if I had found out my new pen.2.He had changed so much that I could hardly know him.3.I learnt of from Joan that Mary had fallen ill.4.I didn't hear you.Please repeat the sentence agai She asked me if I had found out my new pen.错在哪里? she asked me how i found my way to the farm变直接引语 高中现行规划·在可行域内·最优解什么情况下实在可行域的顶点·什么情况在可行域非顶点?高中数学线性规划中`·几个方程确定了一个可行域·可行域内有几个顶点（就是没两个方程的公共 若10^a=20,10^b=5^-1,求3^a÷3^b的值.