问题 填空题

102+104+108+116+132-101-103-109-127=______.

答案

解法一:102+104+108+116+132-101-103-109-127,

=[100×5+2×(1+2+4+8+16)]-[100×4+3×(1+3+9)+1],

=[500+62]-[400+40],

=(500-400)+(62-40),

=122.

解法二:102+104+108+116+132-101-103-109-127

=101+1+103+1+109-1+127+5+116-101-103-109-127,

=1+1-1+5+116,

=122.

故答案为:122

单项选择题 A1型题
多项选择题