第58页

信息发布者:
$​\frac {4}{9}​$
9
$​\frac {1}{12}​$
1
$\frac {3}{5}$
0.125
$​1\frac 45​$
9
$\begin {aligned}解: \frac {1}{8}x&=\frac {1}{4}×\frac {1}{10}\\\frac {1}{8}x&=\frac {1}{40}\\x &=\frac {1}{5}\end {aligned}$
$\begin {aligned}解: 4x&=\frac {1}{6}×\frac {2}{5}\\4x&=\frac {1}{15}\\x &=\frac {1}{60}\end {aligned}$
$\begin {aligned}解: 5.5x&=22\\x &=4\end {aligned}$
$=60×\frac 25+60×\frac 34-60×\frac 12$
$=24+45-30$
$=39$
$=1-(\frac 16+\frac 16)$
$=1-\frac 13$
$=\frac 23$
$=(\frac 58+\frac 38)×\frac {11}{10}$
$=1×\frac {11}{10}$
$=\frac {11}{10}$
3
7
3
4
4
314
​$2:3=8:12$​
6.28
75.36