A.Δ=(mh+nk+pl)λ B.Δ=(m+n+p)λ C.Δ=(hx+ky+lz)λ(x、y、z為分數(shù))
A. A1,A2,A4 B. A2,A1,A4 C. A4,A1,A2
A.(1/8)×8 +(1/2)×6+4 B.(1/8)×8 +(1/2)×6 C. 8+6+4