3:5=" ______" =" ______" :606÷4=(6÷ ______ ):(4÷ ______ )=" ______" : ______
3÷4= (填分数)= (填小数)
= ÷ == (最后一空填小数)
1.75=7÷ = =28÷ = .
: =2= ÷10= %
= ÷ === 0.41 (填小数)