Question

74/111=a/87

Giá trị của a=?

Answer 1

\(\frac{74}{111}=\frac{a}{87}\Leftrightarrow74.87=111.a\Rightarrow a=\frac{74.87}{111}=\frac{6438}{111}=58\)

Vậy a = 58

Answer 2

74/111=a/87=>a=74x87:111=58

Answer 3

74 : 111 = \(\frac{a}{87}\)

74 : 111 x87 =a

a=6438 : 111 

a=58

 vậy a = 58

Answer 4

\(\frac{74}{111}=\frac{a}{87}\Leftrightarrow74.87=111.a\Rightarrow a=\frac{74.87}{111}=\frac{6438}{111}=58\)

Vậy a = 58