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0.25²-8⅔次方-(1/16)的0.75次方-2log(5)10-log(5)0.25
人气:271 ℃ 时间:2020-02-01 00:30:54
解答
0.25²-8⅔次方-(1/16)的0.75次方-2log(5)10-log(5)0.25
=0.0625-4-0.125-log(5)[100*0.25]
=-4.062-2
=-2.062
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