20%×5=
1-35%=%
0.25×40=
1÷25%=
$(3.5\% -0.035)\times 2\frac {1} {4}$ =
3÷30%=
$\frac {1} {7}\times 14$=
$\frac {1} {3}÷3$=
$\frac {3} {4}÷75\% $
=
400×12.5%=
8×125%=
$1÷\frac {4} {7}$=