Question

Tìm y , biết :

          y x [ 4 + ( -2 ) ] = 6

Answer 1

y.[4 + (-2)] = 6

y.2 = 6 

y = 6/2

y = 3 

Answer 2

y . [ 4 + ( - 2 ) ] = 6

y . 2 = 6

y = 6 : 2

y = 3

Answer 3

   y x [ 4 + ( -2 ) ] = 6

yx [ 4-2 ] =6

yx2=6

y =6:2

y=3

Answer 4

y x [ 4 + ( -2 ) ] = 6

        y x (4 - 2) = 6

               y x 2 = 6

                     y = 6 : 2

                     y = 3

Answer 5

y.2 = 6

=> y = 3

Dễ quá ahihj ;) :3 :D ^ _^