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電子課本網 第14頁

第14頁

信息發(fā)布者:
B
A
B
?$\frac {3}{2}$?
?$\frac {3}{4}$?
?$\frac {4}{9}$?
2
?$\frac {1}{4}$?
?$\frac {14}{25}$?
?$\frac {1}{6}$?
?$\frac {1}{2}$?
?$=\frac {1}{13}×\frac {13}{9}×3$?
?$=\frac {1}{3}$?
?$=\frac {2}{3}×6×\frac {5}{8}$?
?$=4×\frac {5}{8}$?
?$=\frac {5}{2}$?
?$=\frac {7}{8}×\frac {8}{9}×\frac {3}{2}$?
?$=\frac {7}{9}×\frac {3}{2}$?
?$=\frac {7}{6}$?
?$=\frac {9}{10}×\frac {5}{9}×\frac {40}{21}$?
?$=\frac {20}{21}$?
?$=\frac {5}{12}×\frac {24}{35}×\frac {1}{8}$?
?$=\frac {1}{28}$?
?$=6×\frac {4}{9}×\frac {8}{3}$?
?$=\frac {64}{9}$?
?$=1:2$?
?$=\frac {1}{2}$?
=30:1
=30
?$=75:4$?
?$=\frac {75}{4}$?
?$=7:3$?
?$=\frac {7}{3}$?