Question

найдите значение выражения
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Answer 1

9 1/3 : 7/8 * 7/16 : 14/27 = 28/3 * 8/7 * 7/16 * 27/14 = 9,

(7/12 - 8/15)² + 4/5 * (7/10 - 9/16) =

= (35/60 - 32/60)² + 4/5 * (56/80 - 45/80) =

= (3/60)² + 4/5 * 11/80 =

= (1/20)² + 11/100 =

= 1/400 + 11/100 =

= 1/400 + 44/400 =

= 45/400 = 9/80

Answer 2

Ответ:

Б) 28/3:7/8=28/3*8/7=32/3

7/16:27/14=1/16

32/3*1/16=2/3

Ответ:2/3

Г не знаю