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第37页

信息发布者：

1.02

176

$4\frac {1}{16}$

$\frac {9}{16}$

6.4

0.7

$\frac {1}{2}$

$\frac {2}{13}$

$\begin {aligned}解： 0.25x&=0.36×0.75\\0.25x&=0.27\\x &=1.08\end {aligned}$

$\begin {aligned}解： \frac {1}{6}x&=15×\frac {4}{9}\\\frac {1}{6}x&=\frac {20}{3}\\x &=40\end {aligned}$

$\begin {aligned}解： 135+5x&=180\\5x&=45\\x &=9\end {aligned}$

$\begin {aligned}解： \frac {1}{4}x&=\frac {2}{3}-\frac {5}{9}\\\frac {1}{4}x&=\frac {1}{9}\\x &=\frac {4}{9}\end {aligned}$

$\begin {aligned}解： 2x-2&=18×7\\2x-2&=126\\2x&=128\\x &=64\end {aligned}$

$\begin {aligned}解： 0.65x&=0.52\\x &=0.8\end {aligned}$

$ =(21.7+7.3)-(\frac {3}{7}+\frac {11}{7})$

$=29-2$

$=27$

=3×(150-102)

=3×48

=144

$ =(\frac {15}{17}-\frac {7}{17})×\frac {5}{4}$

$=\frac {8}{17}×\frac {5}{4}$

$=\frac {10}{17}$

$=\frac {7}{12}÷[\frac {1}{2}×14]$

$=\frac {7}{12}÷7$

$=\frac {1}{12}$

$ =\frac {2}{13}×26+(\frac {26}{37}+\frac {11}{37})$

$=4+1$

$=5$

=0.25×8×0.8×1.25

=(0.25×8)×(1.25×0.8)

=2×1