在○填上“<”、“>”或“=”号.(1)0.18÷0.09〇0.18×0.09 (2)0.7×0.7〇0.7+0.7(3)3.07×0.605〇0.307×6.05 (4)4.35×10〇0.8×43.5.
= :12.
=3÷5==33÷ = (小数)
= ÷16== ÷56= (填小数)
÷4== ÷12==3:4= %= 折.
= =25÷ = %