在横线里填上“>”,“<”或“=”7.8÷0.86 7.8 0.25×4.3 4.37.8÷1.8 7.8 17.8÷0.5 17.8×2.
n÷n=. .
= ÷8=1.25=5: = %
= ÷5=0.8=4: = %= 折.
==12÷ = (小数)
16: == ÷5= %= (填小数)=八折.