十一又七分之五减4.6减三又三分之二等于几?

1个回答

11又5/7 -4.6 - 3又2/3 =(11 -4 -3) + (5/7 -0.6 -2/3) =4+ (5/7-3/5-2/3) =4+(25/35-21/35-2/3) =4+4/35-2/3 =4+12/105-70/105 =4 - 58/105 =4又47/105