log x/0.5 =0.2求x是多少?
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log x/0.5 =0.2求x是多少?
log x/0.5 =0.2求x是多少?
log x/0.5 =0.2求x是多少?
你要写清楚题目.我当作以10为底来算,其他类似.
log x/0.5 =0.2
log x=0.5乘以0.2=0.1
x=10的0.1次方
x=10次根号10
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