表达式6: "p" equals left parenthesis, left parenthesis, "a" plus "b" , right parenthesis cos left parenthesis, 2 pi "A" , right parenthesis , left parenthesis, "a" plus "b" , right parenthesis sin left parenthesis, 2 pi "A" , right parenthesis , right parenthesisp=a+bcos2πA,a+bsin2πA
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表达式7: left parenthesis, "x" minus "p" . "x" , right parenthesis squared plus left parenthesis, "y" minus "p" . "y" , right parenthesis squared equals "b" squaredx−p.x2+y−p.y2=b2
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表达式8: "n" equals "c" Subscript, "o" "n" , Baseline left parenthesis, StartFraction, pi Over arcsin left parenthesis, StartNestedFraction, "b" NestedOver "a" plus "b" , EndNestedFraction , right parenthesis , EndFraction , right parenthesisn=conπarcsinba+b
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表达式9: "c" Subscript, "o" "n" , Baseline left parenthesis, "x" , right parenthesis equals left brace, "x" greater than 0 : floor left parenthesis, "x" , right parenthesis , "x" less than 0 : ceil left parenthesis, "x" , right parenthesis , right braceconx=x>0:floorx,x<0:ceilx