Question

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£¨$\frac{2}{3}$+$\frac{1}{5}$£©¡Á$\frac{2}{13}$	3.6¡Á0.25+25¡Á0.064	$\frac{5}{9}$¡Á$\frac{6}{15}$¡Â$\frac{4}{9}$£®

Answer 1

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=$\frac{3}{8}$-$\frac{1}{4}$
=$\frac{1}{8}$

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=17+38
=55

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=35¡Â$\frac{14}{5}$
=35¡Á$\frac{5}{14}$
=$\frac{25}{2}$

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=$\frac{13}{15}$¡Á$\frac{2}{13}$
=$\frac{2}{15}$

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=0.036¡Á25+25¡Á0.064       
=£¨0.036+0.064£©¡Á25
=0.1¡Á25
=2.5

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=$\frac{5}{9}$¡Á$\frac{6}{15}$¡Á$\frac{9}{4}$
=$\frac{1}{2}$

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