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電子課本網(wǎng) › 第59頁(yè)

第59頁(yè)

信息發(fā)布者：
12
?$\frac {7}{4}$?
?$\frac {6}{5}$?
3
?$\frac {13}{9}$?
9
64
27
0.375
>
=
>
10
27
8
12
?$\frac {9}{25}$?
?$\frac {1}{4}$?
?$\frac {3}{4}$?
?$\frac {2}{5}$?
?$\frac {9}{50}$?
?$\frac {1}{10}$?
C
D
C
D
0.32< ?$\frac {3}{5}$? < ?$\frac {5}{8}$? < ?$\frac {5}{7}$? < 1< 1.4
?$\frac {5}{8}$?
?$2\frac 13$?
?$1\frac 17$?
(57-37)÷(9-5)=5 ?$\frac {5}{9}$?=?$\frac {5×5}{9×5}$?=?$\frac {25}{45}$?
?$37-25=12$?或?$57-45=12$?
答：減去的數(shù)是?$12。$?
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