what's the answer?
8 x 8 ÷ 8 – 8 ÷ 8 + 8 – 8 ÷ 8 =
5 2 + 16 ÷ 2 3 – 3 3 - 8 ÷ 2 =
30 – {7 x 4 + [ 3 – (12 ÷ 6)]} =
28 – {16 + 7 – [ 11 – (20 -13 + 11 -7)]} =