表达式(73+1)*(185-1)的值是().

A8

B""

C1

D0

A-1

B0

C1

D2

A,

B:

C、

D;

ATrue

BFalse

C-1

D以上都不对

AA1和a1

BSUM和SUMMARY

CAVER和AVERAGE

DA1和A_1

A[0,1]

B[1,10]

C[1,9]

D[0,9]

At=b : b=a : a=t

Ba=a+b : b=a-b : a=a-b

Ct=a : a=b : b=t

Da=b : b=a

Ax23

B8xy

CEND

DX8[B]

ADim a As Double

BDim a As Variant

CDim a As String

Da=24

A7/9

B7 mod 15

C79

D15 mod 9