題目列表(包括答案和解析)
若=(2,3),(4,-1+y),且a∥b,則y=________.
若=(2,3),(4,-1+y),且a∥b,則y=________.
若=(2,3),=(4,-1+y),且∥,則y=
A.6
B.5
C.7
D.8
A.AD =5,AB =8,AE =10,AC =16 B.BD =1,AD =3,CE =2,AE =6
C.AB =7,BD =4,AE =4,EC =3 D.AB =AC =9,AD =AE =8
(1)(logax)n=nlogax
(2)(logax)n=logaxn
(3)-logax=loga
(4)
(5)
(6)
(7)anlogax=xn
(8)loga
A.3個(gè) B.4個(gè) C.5個(gè) D.6個(gè)
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