Question

Y x 42 +Yx 57 + Y = 25400
 

TIM Y

Answer 1

Y x 42 +Yx 57 + Y = 25400 

=> Y x (42 + 57 + 1) = 25400

=> Y x 100 = 25400

=> Y = 25400 : 100

=> Y = 254

Answer 2

Y x 42 +Yx 57 + Y = 25400

Y x ( 42 + 57 ) + Y = 25400

Y x 99 + Y = 25400

 

Answer 3

Chả biết 

Answer 4

Y x 42 +Y x 56 + Y x 2= 25400

Answer 5

y x 42 +y x 57 +y = 25400

y x ( 42 + 57 +1 )

= y x 100 = 25400

=25400 : 100 

= 254