第33页

信息发布者：
A
B
B
177
8
1
16
0.91
​$\frac {36}{25}$​
​$\frac {13}{15}$​
9
=(64+4.36)×0.25
=68.36×0.25
=17.09
​$=\frac {2}{5}÷[\frac {11}{20}×\frac {1}{6}]$​
​$=\frac {2}{5}÷\frac {11}{120}$​
​$=\frac {48}{11}$​
​$ =15×\frac {1}{5}×14+\frac {1}{7}×14×15$​
​$=3×14+2×15$​
​$=42+30$​
​$=72$​
$\begin {aligned}解： 0.7x&=3.5×1.5\\0.7x&=5.25\\x &=7.5\end {aligned}$
$\begin {aligned}解： \frac {1}{5}x&=\frac {2}{3}×\frac {3}{4}\\\frac {1}{5}x&=\frac {1}{2}\\x &=\frac {5}{2}\end {aligned}$
$\begin {aligned}解： 10x+10&=5×7\\10x+10&=35\\10x&=25\\x &=2.5\end {aligned}$
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