2的倒数是 ;0.6与 互为倒数;最小合数的倒数是 ; 的倒数是0.5.
= ÷ == (最后一空填小数)
1.75=7÷ = =28÷ = .
: =2= ÷10= %
= ÷ === 0.41 (填小数)
:16= .