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A2:C5 $A2:$C5 $A$2:$C$5 $A2:C5
Sheet2!A2:C5 Sheet2!$A2:$C5 Sheet2!$A$2:$C$5 Sheet2!$A2:C5
=A1+B2 =A5+B6 =A5+B2 =A1+B6
Sheet2 ! A2:C5 Sheet2 !$ A2: $ C5 Sheet2 !$ A $ 2: $ C $ 5 Sheet2 !$ A2:C5
核苷酸中戊糖的C5’上 核苷酸中戊糖的C3’上 核苷酸中戊糖的C2’上 核苷酸中戊糖的C2’和C3’上 核苷酸中戊糖的C2’和C5’上
Sheet2!A2:C5 Sheet2!$A2:$C5 Sheet2!$A$2:$C$5 Sheet2!$A2:C5
C1,C2,C6,C7,C5,C4,C3 C1,C2,C6,C3,C4,C5,C7 C1,C4,C2,C3,C5,C6,C7 C5,C7,C4,Cl,C2,C6,C7
Sheet2!A2:C5 Sheet2!$A2: $C5 Sheet2$A$2: $C$5 Sheet2!$A2:C5
=A1+B2 =A5+B6 =A5+B2 =A1+B6
C1→C2→C3……→C9 Cl→C3→C2→C4……→C9 C1→C2→C3→C5……→C9 C1→C4→C2→C3→C5……→C9 C3→C5→C6……→C9
T的C2上有氨基,U的C2上有氧 T的C5上有甲基,U的C5上无甲基 T的C4上有氧,U的C4上有氧 T的C2上有氧,U的C2上有氧 T的C5上有羟基,U的C5上无羟基
C1→C2→C3……→C9 C1→C3→C2→C4……→C9 C1→C2→C3→C5……→C9 C1→C4→C2→C3→C5……→C9 C3→C5→C6……→C9
=A1+B2 =A5+B6 =A5+B2 =A1+B6
Sheet2A2: C5 Sheet2!$A2: $C5 Sheet2!$A$2: $C$5 Sheet2!$A2:C5
C3→C5→C9 C1→C2→C4→C3→C5→C9 C1→C4→C2→C3→C5→C9 C1→C2→C3→C4→C4→C9 C1→C3→C2→C4→C5→C9
=A1+B2 =A5+B6 =A5+B2 =A1+B6
=SUM(C1:C5) =C1+C2+C3+C4+C5 =SUM(C1;C5) =SUM(C1,C2,C3,C4,C5)