6%=(填小数)
$\frac {7} {8}$=%
75×3%=(填小数)
$\frac {56} {1000}$=%
$\frac {7} {8}\times 4\times \frac {8} {7}$=
80%=(填小数)
25%+0.25=%
400×(1-30%)=
$\frac {4} {3}\times 75\% $=
5%÷25%=%
1+5%=%
250÷5%=