b) (3 + 2) x 2 =
2 x (4 + 2) =
(2 + 5) x 2 =
2 x (7+2) =
(8 + 2) x 2 =
c) 3 x 2 x 2 =
2x4x2 =
2x2x2 =
5x2x2=
4x2x2 =
5x2=10
