比较大小:(1)6.4÷3.2 6.4(2)0.81÷0.09 0.81(3)2.04÷1 2.04(4)42÷0.7 42(5)4.5÷1.5 4.5(6)3.08÷1.1 3.08.
÷5=6: =0.6== :15.
3÷4= (填分数)= (填小数)
= ÷ == (最后一空填小数)
1.75=7÷ = =28÷ = .
: =2= ÷10= %