Question

10£®Ö±½Óд³öµÃÊý£®

$8¡Á\frac{5}{4}$=	$\frac{9}{10}¡Â\frac{19}{20}$=	$\frac{2}{15}-\frac{1}{10}$=	$\frac{2}{3}+\frac{2}{3}¡Â\frac{2}{3}-\frac{2}{3}$=	80¡Á£¨1-60%£©=
$\frac{7}{9}¡Â\frac{7}{8}$=	$\frac{7}{16}¡Á\frac{8}{21}$=	$3.6¡Á\frac{3}{4}$=	$\frac{1}{3}¡Á\frac{1}{4}¡Â\frac{1}{3}¡Á\frac{1}{4}$=	$\frac{8}{9}¡Á0.1+0.9¡Á\frac{8}{9}$=

Answer 1

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½â´ð ½â£º

$8¡Á\frac{5}{4}$=10	$\frac{9}{10}¡Â\frac{19}{20}$=$\frac{18}{19}$	$\frac{2}{15}-\frac{1}{10}$=$\frac{1}{30}$	$\frac{2}{3}+\frac{2}{3}¡Â\frac{2}{3}-\frac{2}{3}$=1	80¡Á£¨1-60%£©=32
$\frac{7}{9}¡Â\frac{7}{8}$=$\frac{8}{9}$	$\frac{7}{16}¡Á\frac{8}{21}$=$\frac{1}{6}$	$3.6¡Á\frac{3}{4}$=2.7	$\frac{1}{3}¡Á\frac{1}{4}¡Â\frac{1}{3}¡Á\frac{1}{4}$=$\frac{1}{16}$	$\frac{8}{9}¡Á0.1+0.9¡Á\frac{8}{9}$=$\frac{8}{9}$

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