1
(3/10-16/25)*4/17=(15/50-32/50)*4/17=-17/50*4/17=-0,08
2
3
760р-(100-20)%
хр-100%
х=760*100:80=950р
4
S=1/2*12*15*1/3=30
5
√6*√13,5=√(6*13,5)=√81=9
(3/10-16/25)*4/17=(15/50-32/50)*4/17=-17/50*4/17=-0,08
2
3
760р-(100-20)%
хр-100%
х=760*100:80=950р
4
S=1/2*12*15*1/3=30
5
√6*√13,5=√(6*13,5)=√81=9