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 №2332332245222524608736082361287213633310 от apajcheva 30.04.2021 19:46

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.​

apajcheva · Answer

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