計算收费 (9581)

G3{=SUM(OFFSET(C$2,MATCH(F$3,B$3:B$18),,2)*{-1;1})/SUM(OFFSET(B$2,MATCH(F3,B$3:B$18),,2)*{-1;1})*(F3-OFFSET(B$2,MATCH(F3,B$3:B$18),))+OFFSET(C$2,MATCH(F3,B$3:B$18),)