<em />х+0.5*(2.3х-0.4х)=х+0.5*1.9х
при х=0.1
0.1+0.5*(1.9*0.1)=0.1+0.5*0.19=0.1+0.095=0.195
х+0.5*(2.3х-0.4х)=х+0.5*2.3х+0.5*(-0.4х)=х+1.15х+(-0.2х)=1.95х
при х=0.1
1.95*0.1=0.195
1)3/5+1/4=0.85
2)7/8-1/4=0.625
3)17:0.85=20
4)0.625*4/5=0.5
5)20+0.5=20.5
Ответ:20.5
(3х + у)³
(х + у)³
(а + 2у)³
(2m - 3n)³
(c - d)³
(x - 3y)³