已知整数a、b、c、d满足abcd=25,且a>b>c>d,那么|a+b|+|c+d|等于( )
A. O
B. 10
C. 2
D. 12
人气:192 ℃ 时间:2019-10-24 12:20:37
解答
25=5×5×1×1=5×(-5)×1×(-1),
则a=5、b=1、c=-1、d=-5,
∴|a+b|+|c+d|=|5+1|+|-1-5|
=6+6=12.
故选D.
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