а) (5/8u + 8/5k)²=25/64u²+2uk+64/25k²
б) (2/3c +6d)²=4/9c²+8cd+36d²
в) (11/4y + 4w)²=121/16y²+22yw+16w²
г) (18m + 2/9n)²=324m²+8mn+4/81n²
а) (k - 8)²=k²-16k+64
б) (5 - 7m)²=25-70m+49m²
в) (13p - 3)²=169p²-78p+9
г) (5v - 5)²=25v²-50v+25
а) (2h - 1/4)²=4h²-h+1/16
б) (10d - 1/5)²=100d²-4d+1/25
в) (4/3y - 9/8)²=16/9y²-3y+81/64
г)(3m - 2/3)²
=9m²-4m+4/9