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第48頁

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$\frac {2}{7}$
$\frac {7}{9}$
$\frac {2}{9}$
14000
1:10
1:9
45
?$ =\frac {2}{3}×\frac {15}{14}×\frac {1}{25}$?
?$ =\frac {5}{7}×\frac {1}{25}$?
?$ =\frac {1}{35}$?
?$ =\frac {5}{8}×\frac {6}{5}×\frac {4}{9}$?
?$ =\frac {3}{4}×\frac {4}{9}$?
?$ =\frac {1}{3}$?
$=\frac {5}{3}×\frac {9}{5}$
$=3$
$=5：12$
$=\frac {5}{12}$
?$ =24：120$?
?$ =1$?：?$5$?
?$ =\frac {1}{5}$?
?$ =8$?：?$15$?
?$ =\frac {8}{15}$?
?$ =25$?：?$3$?
?$ =\frac {25}{3}$?
?$ 90÷\frac {1}{3}=270($?頁?$)$?
?$ 270×\frac {1}{5}+1=55($?頁?$)$?
答：小明接下來應(yīng)該從第?$55$?頁看起。
?$ 120×\frac {5}{8}÷\frac {5}{6}=90$?
答：這道算式的正確得數(shù)是?$90。$?
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