2)(3√3)^2+(-3√3)^2-2; 4)(-5√2)^2-(-2√5)^2-4;6)√0‚87•36+0,82•36+1,2;8)√72/176^2-112^2;10)√65,5^2-15,5/13,5^2-11,5^2. - вопрос №23323322452225246087360823612872176211221013633135 от polikzaisheva12 06.01.2020 19:45

Question

Алгебра: 2)(3√3)^2+(-3√3)^2-2; 4)(-5√2)^2-(-2√5)^2-4;6)√0‚87•36+0,82•36+1,2;8)√72/176^2-112^2;10)√65,5^2-15,5/13,5^2-11,5^2.​

polikzaisheva12 · Answer

(2-√ 3)^2+(2+√3)^2=4 - 4√3+3+4+4√3+4=4+3+4+3=14...

2)(3√3)^2+(-3√3)^2-2; 4)(-5√2)^2-(-2√5)^2-4;6)√0‚87•36+0,82•36+1,2;8)√72/176^2-112^2;10)√65,5^2-15,5/13,5^2-11,5^2.​