Question

7£®¼ÆË㣺

$\frac{15}{16}$¡Á$\frac{20}{21}$¡Á$\frac{1}{5}$=	$\frac{9}{10}$¡Á$\frac{2}{3}$¡Á$\frac{5}{6}$=	$\frac{5}{4}$¡Á$\frac{1}{8}$¡Á16=
$\frac{2}{9}$¡Á$\frac{3}{8}$¡Â$\frac{1}{6}$=	$\frac{6}{5}$¡Â$\frac{9}{10}$¡Â$\frac{4}{7}$=	$\frac{5}{14}$¡Â$\frac{6}{7}$¡Á$\frac{8}{15}$=

Answer 1

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½â´ð ½â£º£¨1£©$\frac{15}{16}$¡Á$\frac{20}{21}$¡Á$\frac{1}{5}$
=$\frac{25}{28}$¡Á$\frac{1}{5}$
=$\frac{5}{28}$£»

£¨2£©$\frac{9}{10}$¡Á$\frac{2}{3}$¡Á$\frac{5}{6}$
=$\frac{3}{5}$¡Á$\frac{5}{6}$
=$\frac{1}{2}$£»

£¨3£©$\frac{5}{4}$¡Á$\frac{1}{8}$¡Á16
=$\frac{5}{32}$¡Á16
=$\frac{5}{2}$£»

£¨4£©$\frac{2}{9}$¡Á$\frac{3}{8}$¡Â$\frac{1}{6}$
=$\frac{1}{12}$¡Â$\frac{1}{6}$
=$\frac{1}{2}$£»

£¨5£©$\frac{6}{5}$¡Â$\frac{9}{10}$¡Â$\frac{4}{7}$
=$\frac{4}{3}$¡Â$\frac{4}{7}$
=$\frac{7}{3}$£»

£¨6£©$\frac{5}{14}$¡Â$\frac{6}{7}$¡Á$\frac{8}{15}$
=$\frac{5}{12}$¡Á$\frac{8}{15}$
=$\frac{2}{9}$£®

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