A.443
B.889
C.365
D.701
[单选题]1,13,45,169,()A . 443B . 889C . 365D . 701
[主观题]解下列方程42x+25x=134 13(x+5)=169
[问答题]设球面方程为(x-1)2+(y-1)2+(z-1)2=169。求它在点(4,5,13)处的切平面方程。
[单选题]7,13,24,45,A.56 B.61 C.71 D.817,13,24,45,A.56 B.61 C.71 D.81
[单选题]7,13,24,45,______A.56 B.61 C.71 D.81
[单选题]7,13,24,45,( )。A.56B.61C.71D.81
[单选题]7,13,24,45,( )。A.56B.61C.71D.81
[单选题]7,13,24,45,( )。A.56B.61C.71D.81
[单选题]7,13,24,45,( )。A.56B.61C.71D.81
[单选题]7,13,24,45,( )。A.56B.61C.71D.81