Question

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$\frac{4}{7}$¡Á$\frac{5}{9}$+$\frac{3}{7}$¡Á$\frac{5}{9}$           
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 $\frac{4}{9}$¡Â[$\frac{5}{6}$-£¨$\frac{1}{6}$+$\frac{1}{3}$£©]
$\frac{1}{4}$¡Â£¨3-$\frac{5}{13}$-$\frac{8}{13}$£©         
 $\frac{18}{35}$¡Â0.6¡Á$\frac{2}{3}$            
 $\frac{5}{7}$+$\frac{5}{6}$+$\frac{2}{7}$+$\frac{1}{6}$£®

Answer 1

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=$\frac{5}{9}$£»

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=0£»

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=1+1
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