零五网 › 全部参考答案› 实验班提优训练答案 › 江苏版实验班提优训练数学六年级上下册答案 › 第7页

第7页

信息发布者：

21.22

0.0058

0.09

$\frac{17}{15}$

$\frac{8}{3}$

7.5

=650-432÷18

=650-24

=626

=3.84-0.38-1.62

=3.84-(0.38+1.62)

=1.84

$ =\frac {1}{4}×(\frac {1}{8}+\frac {7}{8})$

$=\frac {1}{4}×1$

$=\frac {1}{4}$

$=\frac {8}{9}×[\frac {7}{10}×\frac {3}{4}]$

$=\frac {8}{9}×\frac {21}{40}$

$=\frac {7}{15}$

$\begin {aligned}解：4x&=16+0.8\\4x&=16.8\\x &=4.2\end {aligned}$

$\begin {aligned}解： \frac {7}{4}x&=\frac {5}{14}\\x &=\frac {10}{49}\end {aligned}$

$\begin {aligned}解： \frac {5}{8}x&=\frac {4}{3}×10\\\frac {5}{8}x&=\frac {40}{3}\\x &=\frac {64}{3}\end {aligned}$

3600390

360

390

0.75

$\frac{7}{2}$

$a - \frac{3}{4}$

$\frac{1}{4}a$