Question

Помогите, пожалуйста!

Answer 1

2.7*(1.7³-1.5³)/(1.5²+5.1*4.5+4.5²)=2.7(1.7-1.5)(1.7²+1.7*1.5+1.5²)/(1.5²+5.1*4.5+4.5²)=2.7*0.2*(2.89+2.55+2.25)/(2.25+22.95+20.25)=
=4.1526/27.45=0.1513