1[] 2 []3[] 4 []5 []6[] 7[] 8[] 9=2009 []填加减乘除
问题描述:
1[] 2 []3[] 4 []5 []6[] 7[] 8[] 9=2009 []填加减乘除
答
(1-2+3)x4x5x(6x7+8)+9=2009
1[] 2 []3[] 4 []5 []6[] 7[] 8[] 9=2009 []填加减乘除
(1-2+3)x4x5x(6x7+8)+9=2009