Write brackets ( ) in this statement to make each statement correct. You may use more than one pair of brackets in each statement.
3+5×2+6=433 + 5 \times 2 + 6 = 433+5×2+6=43
5×4+3=355 \times 4 + 3 = 355×4+3=35
10−6×4+1=2010 - 6 \times 4 + 1 = 2010−6×4+1=20