Question

1 2 3 4 5 6 7 8 9 10用运算符号与小括号怎么得出1000

Answer 1

(9*8*7-6-5+4+3)*2*1=1000

987+6+5+4-3+2-1=1000

9*[(8+7)*6+5*4+3-2)]+1=1000