
己知a=-3,b=-3/5,求|a|/b-b/|-a|的值?
2个回答
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解:将a=-3,b=-3/5代入原式,则有:
|a|/b-b/|-a|
=3/(-3/5)-(-3/5)/3
=-3*5/3+3/5/3
=-5+1/5
=-5+0.2
=-4.8
|a|/b-b/|-a|
=3/(-3/5)-(-3/5)/3
=-3*5/3+3/5/3
=-5+1/5
=-5+0.2
=-4.8
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