при ;
2 3/4Х - Х +1 1/16Х=
11/4Х- 16/16Х+17/16Х=
44/16Х+1/16Х= 45/16Х
если Х=32/45, то
45/16 *32/45=2
при ;
2 3/4Х - Х +1 1/16Х=
11/4Х- 16/16Х+17/16Х=
44/16Х+1/16Х= 45/16Х
если Х=32/45, то
45/16 *32/45=2