Question

dau 25 de puncte + coronițe cui imi rezolva ft. rpd​

Answer 1

3(4√3-√27)-5(√75-√108)-(2√48+3√147)=

=3(4√3-3√3)-5(5√3-6√3)-(2•4√3+3•7√3)=

=3√3-5•(-√3)-(8√3+21√3)=

=3√3+5√3+13√3=

=21√3