第43页

信息发布者:
405
23.8
9.2
1.98
310
18
$\frac{4}{81}$
2.7
7.05
1.2
$\frac{16}{9}$
$6\frac{6}{7}$
​$=\frac {43}{44}×(44+1)$​
​$=43+\frac {43}{44}$​
​$=43 \frac {43}{44}$​
=190-9.6
=180.4
=(3.82+1.18)-(1.54+2.46)
=5-4
=1
=22-18+4
=8
​$=\frac {5}{21}×\frac {14}{11}$​
​$=\frac {10}{33}$​
​$=\frac {5}{8}×(77+22+1)$​
​$=\frac {5}{8}×100$​
​$=62.5$​
解:​$\frac {1}{4}x=2+\frac {2}{3}$​
​$\frac {1}{4}x=\frac {8}{3}$​
​$x=\frac {32}{3}$​
解:​$\frac {3}{4}x=\frac {2}{5}×\frac {5}{6}$​
​$\frac {3}{4}x=\frac {1}{3}$​
​$x=\frac {4}{9}$​
解:​$\frac {16}{15}x=\frac {8}{15}$​
​$x=\frac {1}{2}$​