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第7页

信息发布者：

600

11.7

9

10000

130

4.7

$\frac{5}{6}$

$5\frac{1}{3}$

$\frac{3}{10}$

0.77

35

2220

31.5

4.25

1.452

$=\frac {25}{17}-\frac {4}{5}-\frac {8}{17}$

$=1-\frac {4}{5}$

$=\frac {1}{5}$

=(6.4+5.6)-(0.3+10.7)

=12-11

=1

$=\frac {5}{8}×(\frac {10}{11}+\frac {1}{11})$

$=\frac {5}{8}×1$

$=\frac {5}{8}$

$=\frac {5}{21}×(\frac {7}{9}÷\frac {11}{18})$

$=\frac {5}{21}×\frac {14}{11}$

$=\frac {10}{33}$

=888×(1+999)

=888×1000

=888000

=3.2÷(2.5÷0.25)

=3.2÷10

=0.32

2720

2.72

32

0.032

$\frac {1}{2}$

$\frac {3}{16}$

40

300

45

217×16÷1000

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