Помогите))))))))))))
A) Y 324 = 18 Y 3,61 = 1,9 Y 81/196 = 9/14 Y289/225 = 17/15 = 1 2/15 б) (Y7)^2 = 7 (- Y15)^2 = -15 (Y4)^4 = 16 в) (2Y7)^2 = 4 x 7 =28 - 2 Y(-7)^2 = -2 x 7 = - 14 (-2 Y7)^4 = 16 x 49 = 784 г) Y676 = 26 Y576 = 24 Y9/25 = 3/5 Y 6,25 = 2,5