第23页 - 通城学典课时作业本六年级数学苏教版江苏专用

乙

$ \frac {1}{2}×\frac {3}{5}=\frac {3}{10}(公顷)$

6

$ \frac {625}{2}$

2

650

9

35

A

$=90×\frac {7}{9}$

$=70$

$=\frac {3}{7}×2×\frac {14}{15}$

$=\frac {4}{5}$

$=2×\frac {3}{8}$

$=\frac {3}{4}$

$=\frac {1}{26}×91$

$=\frac {7}{2}$

$\frac{6}{5}×3×\frac{7}{4}=\frac{63}{10}(吨)$

$\ 答：3台这样的净水器\frac{7}{4}天的出水量$

$约是\frac {63}{10}吨。$

5

6

$ \frac {2}{5}$

>

<

=

>

$\ \frac {3}{4}×\frac {2}{3}=\frac {1}{2}(升)$

$\frac {9}{10}×\frac {3}{4}=\frac {27}{40}(千克)$

$答：倒出了\frac {1}{2}升，一瓶橄榄油约$

$\frac {27}{40}千克。$

$10×(10×\frac{4}{5})×(10×\frac{2}{5})=320(\ \mathrm {cm}³)$

$答：石头的体积是320立方厘米。$