在算式□12÷53中,要使商是两位数,□最小填 ;要使商是一位数,□最大填 .
12÷ =0.75= :32= :20= %= 折.
= :24== %
÷ ═==0.75= : .
= ÷12=18: =2.25=1= %.
=4: = ÷54= (填小数)