(1.992+19.92+199.2)/0.111 简便计算
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(1.992+19.92+199.2)/0.111 简便计算
![(1.992+19.92+199.2)/0.111 简便计算](/uploads/image/z/1452526-70-6.jpg?t=%281.992%2B19.92%2B199.2%29%2F0.111+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
(1.992+19.92+199.2)/0.111
=(1.992+1.992*10+1.992*100)/0.111
=1.992*(1+10+100)/0.111
=1.992*111/0.111
=1992*(0.111/0.111 )
=1992
=(1.992+1.992*10+1.992*100)/0.111
=1.992*(1+10+100)/0.111
=1.992*111/0.111
=1992*(0.111/0.111 )
=1992