นิพจน์ 14: "y" equals left parenthesis, StartFraction, "j" Subscript, 1 , Baseline Over "i" Subscript, 1 , Baseline , EndFraction , right parenthesis "x" left brace, 0 less than "x" less than "i" Subscript, 1 , Baseline , right brace มีกราฟ กด ALT+T เพื่อการอ่านออกเสียงy=j1i1x0<x<i1
14
ซ่อน ป้ายกำกับ left parenthesis, "i" Subscript, 2 , Baseline , "j" Subscript, 2 , Baseline , right parenthesis equals left parenthesis, 28.5 7 8 8 3 8 3 2 4 9 , 16.5 , right parenthesis มีกราฟ กด ALT+T เพื่อการอ่านออกเสียงi2,j2
ป้ายกำกับ
equals=
left parenthesis, 28.5 7 8 8 3 8 3 , 16.5 , right parenthesis28.5788383,16.5
15
นิพจน์ 16: "y" equals left parenthesis, StartFraction, "j" Subscript, 2 , Baseline Over "i" Subscript, 2 , Baseline , EndFraction , right parenthesis "x" left brace, 0 less than "x" less than "i" Subscript, 2 , Baseline , right bracey=j2i2x0<x<i2
16
ซ่อน ป้ายกำกับ left parenthesis, "i" Subscript, 3 , Baseline , "j" Subscript, 3 , Baseline , right parenthesisi3,j3
ป้ายกำกับ
equals=
left parenthesis, 34.3 9 3 1 8 0 8 , 32.4 7 4 7 7 4 6 , right parenthesis34.3931808,32.4747746
17
นิพจน์ 18: "y" equals left parenthesis, StartFraction, "j" Subscript, 3 , Baseline Over "i" Subscript, 3 , Baseline , EndFraction , right parenthesis "x" left brace, 0 less than "x" less than "i" Subscript, 3 , Baseline , right bracey=j3i3x0<x<i3
18
นิพจน์ 19: "y" equals left parenthesis, StartFraction, "j" Subscript, 3 , Baseline minus "j" Subscript, 2 , Baseline Over "i" Subscript, 3 , Baseline minus "i" Subscript, 2 , Baseline , EndFraction , right parenthesis times left parenthesis, "x" minus "i" Subscript, 2 , Baseline , right parenthesis plus "j" Subscript, 2 , Baseline left brace, "i" Subscript, 2 , Baseline less than "x" less than "i" Subscript, 3 , Baseline , right bracey=j3−j2i3−i2·x−i2+j2i2<x<i3
19
นิพจน์ 20: "y" equals left parenthesis, StartFraction, "j" Subscript, 3 , Baseline minus "j" Subscript, 1 , Baseline Over "i" Subscript, 3 , Baseline minus "i" Subscript, 1 , Baseline , EndFraction , right parenthesis times left parenthesis, "x" minus "i" Subscript, 1 , Baseline , right parenthesis plus "j" Subscript, 1 , Baseline left brace, "i" Subscript, 1 , Baseline less than "x" less than "i" Subscript, 3 , Baseline , right bracey=j3−j1i3−i1·x−i1+j1i1<x<i3