表达式25: 2 left parenthesis, "x" minus StartFraction, "s" Over 2 , EndFraction , right parenthesis equals negative 1 half left parenthesis, "x" minus "s" , right parenthesis2x−s2=−12x−s
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表达式26: 2 "x" minus "s" equals negative 1 half "x" plus 1 half "s"2x−s=−12x+12s
表达式32: theta Subscript, 1 , Baseline equals tangent to the negative 1st power 2 plus 45θ1=tan−12+45
32
Graphs
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33
表达式34: "y" less than 25y<25
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表达式35: "A" , "C"A,C
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表达式36: polygon left parenthesis, "D" , "E" , "C" , "E" , "D" , "A" , "E" , "F" , "B" , "F" , right parenthesispolygonD,E,C,E,D,A,E,F,B,F
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表达式37: polygon left parenthesis, "D" , "E" , "C" , "E" , "D" , "A" , "E" , "F" , "B" , "F" , right parenthesispolygonD,E,C,E,D,A,E,F,B,F
37
表达式38: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.5 "t" cos left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.5 "t" sin left parenthesis, theta Subscript, 1 , Baseline minus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1+0.5tcosθ1−1352,K2+0.5tsinθ1−1352
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表达式39: left parenthesis, "K" Subscript, 1 , Baseline plus StartFraction, 0.5 "t" cos left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , "K" Subscript, 2 , Baseline plus StartFraction, 0.5 "t" sin left parenthesis, theta Subscript, 1 , Baseline plus 135 , right parenthesis Over StartRoot, 2 , EndRoot , EndFraction , right parenthesisK1+0.5tcosθ1+1352,K2+0.5tsinθ1+1352
