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第57頁(yè)

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?$\frac {4}{15}=\frac {8}{30}，$??$\frac {11}{30}=\frac {11}{30}$?
?$\frac {8}{30}＜\frac {11}{30}，$??$\frac {4}{15}＜\frac {11}{30}$?
?$\frac {7}{12}=\frac {49}{84}，$??$\frac {4}{7}=\frac {48}{84}$?
?$\frac {49}{84}>\frac {48}{84}，$??$\frac {7}{12}>\frac {4}{7}$?
?$\frac {5}{6}=\frac {15}{18}，$??$\frac {7}{9}=\frac {14}{18}$?
?$\frac {15}{18}>\frac {14}{18}，$??$\frac {5}{6}>\frac {7}{9}$?
?$\frac {11}{8}=\frac {55}{40}，$??$\frac {13}{10}=\frac {52}{40}$?
?$\frac {55}{40}>\frac {52}{40}，$??$\frac {11}{8}>\frac {13}{10}$?
?$6÷7=\frac 67$?
?$9÷10=\frac {9}{10}$?
?$\frac 67＜\frac {9}{10}$?
?$15÷4=\frac {15}{4}$?
?$17÷5=\frac {17}{5}$?
?$\frac {15}{4}＞\frac {17}{5}$?
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?$\frac {7}{9}=\frac {14}{18}，$??$\frac {5}{6}=\frac {15}{18}$?
?$\frac {14}{18}<\frac {15}{18}，$??$\frac {7}{9}<\frac {5}{6}$?
答：文文答對(duì)的題數(shù)多。
?$\frac {8}{15}=\frac {32}{60}，\frac {7}{10}=\frac {42}{60}，\frac {9}{20}=\frac {27}{60}$?
?$\frac {9}{20}＜\frac {8}{15}＜\frac {7}{10}$?
?$1$?升包裝的銷(xiāo)售量?$<300$?毫升包裝的銷(xiāo)售量?$<500$?毫
升包裝的銷(xiāo)售量
答：我會(huì)多進(jìn)500毫升包裝的飲料，因?yàn)?00毫
升包裝的飲料銷(xiāo)售量最多。
?$\frac {2022}{2023}=1-\frac {1}{2023}，$??$\frac {2023}{2024}=1-\frac {1}{2024}$?
?$\frac {1}{2023}＞\frac {1}{2024}，$?則?$1-\frac {1}{2023}＜1-\frac {1}{2024}$?
所以?$\frac {2022}{2023}＜\frac {2023}{2024}$?。
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