Вычислите: (5/7 в квадрате)×7/15; (3/4 в квадрате)×32/45; (1/2 в квадрате)×4/5; (2 целых 5/7 в квадрате)×14/19; (2 целых 1/3 в квадрате)×27/98; (8/11 в квадрате)×11/32; (3/1110 в квадрате)×5/6; (2/3 в квадрате)×15/24

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(5/7)^2 7/15 = (25/49) 7/15 = 175/735 = 35/147

(3/4)^2 32/45 = (9/16) 32/45 = 288/720 = 4/10 = 2/5

(1/2)^2 4/5 = (1/4) 4/5 = 4/20 = 1/5

(2 5/7)^2 14/19 = (59/7)^2 14/19 = (3481/49) 14/19 = 68034/49 14/19 = 950476/931 = 98068/931

(2 1/3)^2 27/98 = (7/3)^2 27/98 = (49/9) 27/98 = 1323/9 27/98 = 11907/294 = 231/98

(8/11)^2 11/32 = (64/121) 11/32 = 704/3872 = 44/242 = 22/121

(3/1110)^2 5/6 = (9/1232100) 5/6 = 45/1232100 = 1/27380

(2/3)^2 15/24 = (4/9) 15/24 = 60/216 = 5/18