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第54頁

信息發(fā)布者：
八又七分之三
?$4\frac {3}{4}$?
3
?$\frac {18}{35}$?
?$\frac {13}{4}$?
?$\frac {31}{13}$?
?$\frac {39}{8}$?
50
15
2
3
?$ \frac 65$?
?$ \frac 95$?
?$ \frac {12}{5}$?
?$ \frac {14}{5}$?
?$ \frac {16}{5}$?
?$ 1\frac 25$?
?$ 2\frac 25$?
?$ 2\frac 45$?
?$ 3\frac 35$?
＜
＜
＜
＞
=
＞
?$\frac {5}{6}$?
?$\frac {6}{6}$?
?$1\frac {1}{6}$?
2
?$95\frac {1}{4}$?
?$1\frac {4}{95}$?
?$4\frac {2}{5}$?
?$\frac {22}{5}$?
歡歡：?$15÷7=2\frac {1}{7}($?個?$)$?
樂樂：?$17÷8=2\frac {1}{8}($?個?$)$?
笑笑：?$9÷4=2\frac {1}{4}($?個?$)$?
?$2\frac {1}{4}＞2\frac {1}{7}＞2\frac {1}{8}$?
答：笑笑做得快一些。
?$3\frac {5}{7}$?或?$5\frac {3}{7}$?或?$7\frac {3}{5} $?
?$1\frac {5}{24}、$??$2\frac {5}{12}、$??$3\frac {5}{8}、$??$4\frac {5}{6} $?
?$\frac {17}{31} $?
?$\frac {26}{8} $?
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