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

日期:2022-04-10 14:30:10 人气:1

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


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
    A+
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