number question

there are a numbers of ways of putting differenr operators +, -, x, / and brackets ( ), [ ], { } among the following expressions to make the value of the expression equal 100.
1 2 3 4 5 6 7 8 9
here are some examples:
1+2+3+4+5+6+7+8x9=100
1+23-4+56+7+8+9=100
suggest another way to make the valus of the expression equal 100.