(1)3 - 1 - 1 =
(2)1 + 2 + 2 =
(3)5 + 2 + 2 =
(4)5 + 2 + 1 =
(5)10 - 9 - 1=
(6)3 + 3 + 3 =
(7)3 - 1 - 1 =
(8)5 - 3 - 1 =
(9)10 - 4 - 1=
(2)1 + 2 + 2 =
(3)5 + 2 + 2 =
(4)5 + 2 + 1 =
(5)10 - 9 - 1=
(6)3 + 3 + 3 =
(7)3 - 1 - 1 =
(8)5 - 3 - 1 =
(9)10 - 4 - 1=