第59页

信息发布者：
$\begin{aligned}&17\times\frac{5}{6}+17\div6\\=&17\times\frac{5}{6}+17\times\frac{1}{6}\\=&17\times(\frac{5}{6}+\frac{1}{6})\\=&17\times1\\=&17\end{aligned}$
$\begin{aligned}&(6\frac{2}{5}+2\frac{2}{15})\div(\frac{4}{5}+\frac{4}{15})\\=&(\frac{32}{5}+\frac{32}{15})\div(\frac{12}{15}+\frac{4}{15})\\=&(\frac{96}{15}+\frac{32}{15})\div\frac{16}{15}\\=&\frac{128}{15}\div\frac{16}{15}\\=&\frac{128}{15}\times\frac{15}{16}\\=&8\end{aligned}$
​$解:\frac{11}{12}x=33$​
           ​$x=33×\frac{12}{11}$​
           ​$x=36$​
​$解:7x-\frac{3}{2}=\frac{3}{5}$​
               ​$7x=\frac{21}{10}$​
                 ​$x=\frac{3}{10}$​
$\begin{aligned}&(\frac{1}{2}\times\frac{1}{5}+\frac{1}{2}\times1+\frac{1}{5}\times1)\times2\\=&(\frac{1}{10}+\frac{1}{2}+\frac{1}{5})\times2\\=&(\frac{1}{10}+\frac{5}{10}+\frac{2}{10})\times2\\=&\frac{8}{10}\times2\\=&\frac{8}{5}(m^{2})\end{aligned}$
​$(\frac{1}{10}+\frac{1}{5})×3=\frac{9}{10}(千克)$​
​$答：一共重\frac {9}{10}千克。$​
​$15×\frac{1}{5}×45=135(元)$​
​$135÷(\frac{1}{10}×30)=45(袋)$​
​$答：应付135元,可以买45袋。$​
$\frac{1}{35}$
$3$
​$600÷(\frac{2}{3}+\frac{3}{4}-1)=1440(米) $​
​$答：A、B两地相距1440米。$​
$2a$
​$苹果:120÷(\frac{7}{6}-\frac{9}{10})=450(千克)\ $​
​$梨:450÷\frac{6}{7}=525(千克)\ $​
​$答：这两种水果原来各有450千克,525千克。$​
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