电子课本网 › 第73页

第73页

信息发布者：

0.84

0.1

0.9

$\frac {1}{2}$

2.8

$ \frac {3}{4}$

$\frac {4}{9}$

4.6

$\frac {4}{5}$

0.25

$\frac {1}{6}$

24.05

24050

2.405

$\frac {7}{10}$

$\frac {6}{5}$

$\frac {1}{5}$

＞

＜

＞

＜

370

3.7

$\begin{aligned}解：1.6x&=8\\x&=8÷1.6\\x&=5\end{aligned}$

$\begin{aligned}解：\frac {8}{9}x&=\frac {23}{8}\\x&=\frac {23}{8}×\frac {9}{8}\\x&=\frac {207}{64}\end{aligned}$

$\begin{aligned}解：\frac {8}{10}x+\frac {5}{10}x&=1\\\frac {13}{10}x&=1\\x&=1×\frac {10}{13}\\x&=\frac {10}{13}\end{aligned}$