在○里填上“>”、“<”或“=”.1009○999 5000克○5千克80﹣42○80﹣24 ○ ○.
÷0.8= :16==0.75= %
0.35== :20= %
= %= :4=.
12÷ =0.75= :32= :20= %= 折.
= :24== %