Expressão 4: "x" equals negative left parenthesis, StartFraction, left parenthesis, left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis times left parenthesis, left parenthesis, StartNestedFraction, left parenthesis, "n" , right parenthesis NestedOver left parenthesis, "n" plus "n" , right parenthesis , EndNestedFraction , right parenthesis times left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis , right parenthesis , right parenthesis Over left parenthesis, "n" plus "n" plus "n" plus "n" , right parenthesis , EndFraction minus left parenthesis, left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis times left parenthesis, left parenthesis, StartFraction, left parenthesis, "n" , right parenthesis Over left parenthesis, "n" plus "n" , right parenthesis , EndFraction , right parenthesis times left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis , right parenthesis , right parenthesis , right parenthesisx=−n+nn·nn+n·n+nnn+n+n+n−n+nn·nn+n·n+nn
4
Expressão 5: "n" equals 3.7n=3.7
5
Expressão 6: "r" equals StartFraction, left parenthesis, left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis times left parenthesis, left parenthesis, StartNestedFraction, left parenthesis, "n" , right parenthesis NestedOver left parenthesis, "n" plus "n" , right parenthesis , EndNestedFraction , right parenthesis times left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis , right parenthesis , right parenthesis Over left parenthesis, "n" plus "n" plus "n" plus "n" , right parenthesis , EndFraction minus left parenthesis, left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis times left parenthesis, left parenthesis, StartFraction, left parenthesis, "n" , right parenthesis Over left parenthesis, "n" plus "n" , right parenthesis , EndFraction , right parenthesis times left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis , right parenthesis , right parenthesisr=n+nn·nn+n·n+nnn+n+n+n−n+nn·nn+n·n+nn
6
Expressão 7: "r" times 2 equals StartFraction, left parenthesis, left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis times left parenthesis, left parenthesis, StartNestedFraction, left parenthesis, "n" , right parenthesis NestedOver left parenthesis, "n" plus "n" , right parenthesis , EndNestedFraction , right parenthesis times left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis , right parenthesis , right parenthesis Over left parenthesis, "n" plus "n" plus "n" plus "n" , right parenthesis , EndFraction minus left parenthesis, left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis times left parenthesis, left parenthesis, StartFraction, left parenthesis, "n" , right parenthesis Over left parenthesis, "n" plus "n" , right parenthesis , EndFraction , right parenthesis times left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis , right parenthesis , right parenthesisr·2=n+nn·nn+n·n+nnn+n+n+n−n+nn·nn+n·n+nn
7
Expressão 8: "r" times 3 equals StartFraction, left parenthesis, left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis times left parenthesis, left parenthesis, StartNestedFraction, left parenthesis, "n" , right parenthesis NestedOver left parenthesis, "n" plus "n" , right parenthesis , EndNestedFraction , right parenthesis times left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis , right parenthesis , right parenthesis Over left parenthesis, "n" plus "n" plus "n" plus "n" , right parenthesis , EndFraction minus left parenthesis, left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis times left parenthesis, left parenthesis, StartFraction, left parenthesis, "n" , right parenthesis Over left parenthesis, "n" plus "n" , right parenthesis , EndFraction , right parenthesis times left parenthesis, left parenthesis, "n" plus "n" , right parenthesis Superscript, "n" , Baseline , right parenthesis , right parenthesis , right parenthesisr·3=n+nn·nn+n·n+nnn+n+n+n−n+nn·nn+n·n+nn
