第4页

信息发布者:
$4a + 2$
$\frac{3}{4}$
$\frac{9}{16}$
15
$\frac{1}{22}$
10
0.008
$\frac{1}{3}$
$\frac{4}{3}$
$\frac{5}{6}$
$\frac{1}{49}$
解:​$1.6x=48 $​
​$x = 30$​
解:​$\frac {1}{2}x-\frac {1}{3}x=\frac {1}{10}$​
​$\frac {1}{6}x=\frac {1}{10} $​
​$x = \frac {3}{5}$​
解:​$\frac {3}{5}x=\frac {23}{5}$​
​$ x = \frac {23}{3}$​
​$=\frac {3}{20}×\frac {10}{7}$​
​$= \frac {3}{14}$​
​$=\frac {8}{17}×\frac {1}{9}+\frac {1}{9}×\frac {9}{17}$​
​$=\frac {1}{9}$​
​$= \frac {1}{9}$​
​$=4×\frac {7}{4}-\frac {1}{7}$​
​$=7-\frac {1}{7}$​
​$ =6\frac {6}{7}$​
​$=30×\frac {3}{5}+30×\frac {1}{6}-30×\frac {4}{15} $​
​$=18+5-8$​
​$=15$​
​$=\frac {8}{11}×\frac {5}{2} $​
​$=\frac {20}{11}$​
​$=(600+5)+(600-2)+(600+1)+(600+2)+(600-3)+(600-6)$​
​$= 3597$​