化简下面的小数.0.400= 0.40.080= 1.750= 1.7529.00= 10.830= 10.8320.10= 0.0350= 0.03580.040= .
.
0.625= :64==20÷ = %.
:35==10÷ = %= 成.
4:5==20: = %
3÷8==24: = %.