用循环小数的简便方法表示70÷55的商是 ,循环节是 ,保留一位小数是 .
1.75=7÷ = =28÷ = .
: =2= ÷10= %
= ÷ === 0.41 (填小数)
:16= .
3÷ =75%= :24= (填小数).