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電子課本網(wǎng) › 第21頁(yè)

第21頁(yè)

信息發(fā)布者：
?$\frac {1}{36}$?
?$\frac {1}{108}$?
?$\frac {9}{4}$?
?$\frac {27}{8}$?
?$\frac {1}{30}$?
?$\frac {1}{90}$?
C
B
A
B
?$=\frac {18}{25}×1$?
?$=\frac {18}{25}$?
?$=30×\frac {5}{9}$?
?$=\frac {50}{3}$?
?$=(\frac {1}{6}+\frac {5}{6})+(\frac {2}{9}+\frac {3}{9})$?
?$=1+\frac {5}{9}$?
?$=1 \frac {5}{9}$?
?$=\frac {1}{2}×\frac {15}{14}$?
?$=\frac {15}{28}$?

?$240×\frac {1}{6}=40($?噸?$)$?
答：今年橘子產(chǎn)量比蘋果多?$40$?噸。
?$240+\frac {1}{6}=240 \frac {1}{6}($?噸?$)$?
答：今年橘子產(chǎn)量是?$240 \frac {1}{6}$?噸。
?$\frac {8}{10}×\frac {4}{5}×\frac {11}{12}=\frac {44}{75}($?立方米?$)$?
答：這臺(tái)冰柜的體積是?$\frac {44}{75}$?立方米。

?$\frac {7}{9}$?
?$\frac {27}{16}$?
?$\frac {16}{21}$?
?$\frac {7}{10}$?
?$\frac {3}{2}$?
?$\frac {15}{8}$?
?$\frac {7}{8}$?
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