单项选择题
A.0.042B.0.049C.0.059D.0.062E.0.075
A.2/15B.1/3C.4/15D.31/110E.29/90
A.0B.-0.1C.0.1D.-0.2E.0.2
A.0.03122B.0.03129C.0.03155D.0.03158E.0.03160
A.μx+u+t =μx+t μu+tB.μx+u+t =μx+tC.μx+u+t =μx+t +μu+tD.μx+u+t =μx+t -μu+tE.μx+u+t =μx+t /μu+t
A.65.69B.66.31C.67.69D.68.31E.69.69
A.7031B.6667C.7331D.6431E.6531
A.13.14B.14.25C.15.01D.15.41E.16.20
A.2088.45B.2245.70C.2549.78D.2645.72E.2763.18
A.0.105B.0.109C.0.112D.0.115E.0.119
A.52360B.52370C.52380D.52390E.52400