Proof : a = b + c

運算式 16: "D" Subscript, 1 , Baseline equals StartFraction, "S" Over 2 , EndFraction

運算式 17: "D" Subscript, 2 , Baseline equals StartFraction, "S" StartRoot, 3 , EndRoot Over 2 , EndFraction

運算式 18: "E" Subscript, 1 , Baseline equals StartFraction, negative "S" Over 2 , EndFraction

運算式 19: "E" Subscript, 2 , Baseline equals StartFraction, "S" StartRoot, 3 , EndRoot Over 2 , EndFraction

運算式 20: "F" Subscript, 1 , Baseline equals negative "S"

運算式 21: "F" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline

運算式 22: "G" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline plus StartFraction, 2 "b" Over "S" , EndFraction left parenthesis, "D" Subscript, 1 , Baseline minus "M" Subscript, 1 , Baseline , right parenthesis

運算式 23: "G" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline plus StartFraction, 2 "b" Over "S" , EndFraction left parenthesis, "D" Subscript, 2 , Baseline minus "M" Subscript, 2 , Baseline , right parenthesis

運算式 24: "M" Subscript, 1 , Baseline equals StartFraction, "C" Subscript, 1 , Baseline plus "D" Subscript, 1 , Baseline Over 2 , EndFraction

運算式 25: "M" Subscript, 2 , Baseline equals StartFraction, "C" Subscript, 2 , Baseline plus "D" Subscript, 2 , Baseline Over 2 , EndFraction

運算式 26: "N" Subscript, 1 , Baseline equals StartFraction, "F" Subscript, 1 , Baseline plus "M" Subscript, 1 , Baseline Over 2 , EndFraction

運算式 27: "N" Subscript, 2 , Baseline equals StartFraction, "F" Subscript, 2 , Baseline plus "M" Subscript, 2 , Baseline Over 2 , EndFraction

Graphs

運算式 29: "y" less than 40

運算式 30: polygon left parenthesis, "A" , "B" , "C" , "D" , "E" , "D" , "G" , "E" , "F" , "M" , "N" , "E" , "N" , "F" , right parenthesis

Points

技術支援