Question

Answer 1

      x/7 = 40/35

      x/7 = 8/7

=>  x = 8

Vậy x = 8

Answer 2

\(x=\dfrac{40}{35}\times7=8\).

Answer 3

     x/7 = 40/35

      x/7 = 8/7

=>  x = 8

Vậy x = 8

Answer 4

8 à nha

Answer 5

    x/7 = 40/35

      x/7 = 8/7

=>  x = 8

Vậy x = 8