laTex coding

\frac{3}{4}

 

-2\frac{1}{7}

 

18^{32}

 

2^4\cdot2^8=2^{4+8}=2{12}

 

x^7\div x^3=\frac{x^7}{x^3}=x^{7-3}=x^4

 

 

\angle B=90^{\circ} \triangle ABC \sin\theta

 

\cos42^{\circ}

 

12 = 2\cdot 2\cdot 3

 

\sqrt{25}

 

\angle ABC

 

\triangle CDE
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