Question

-7+6-{-6+[-7-(-3-9+10)]}=

Answer 1

-7+6-{-6+[-7-(-3-9+10)]}=

-7+6-{-6+[-7+2}=

-7+6-{-6-5} =

-7 + 6 + 11 =

-7 + 17 =

10

Answer 2

-7 + 6 - {-6 + [-7 - (-3 - 9 + 10)]}

- 7 + 6 - {-6 + [-7 - (-2)]}

-7 + 6 - {-6 + [-7 + 2]}

-7 + 6 - {-6 + [-5]}

-7 + 6 - {-6 - 5}

-7 + 6 - {-11}

-7 + 6 + 11

-1 + 11

10