A.450
B.625
C.325
D.600
[单选题]2,2,10,30,100,( )。A.450B.625C.325D.600
[单选题]2,2,10,30,100,( )。A.450B.625C.325D.600
[单选题]2,2,10,30,100,( )。A.450B.625C.325D.600
[单选题]:0 , 2, 10, 30, ( )A. .68 B .74 C .60 D .70
[填空题] 已知il=30sin(100πt+15°)A,i2=40sin(100πt+105°)A,则il+i2=()。
[单选题]:0,2,10,30,( )A.68B.74C.60D.70
[单选题]2,10,30,68,( ),222A.130 B.150 C.180 D.200
[单选题]:30,10,2,6,-23,()。A.-5 B.-8 C.9 D.73
[单选题]2,10,30,68,( ),222A.130 B.150 C.180 D.200
[单选题]2,10,30,68,( ),222A.130B.150C.180D.200