㏒500+㏒(5/8)-½㏒64+50(㏒2+㏒5)²
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-,qU645I7aݜt*Șirҍ "&f@<;m3=߸@$ V
㏒500+㏒(5/8)-½㏒64+50(㏒2+㏒5)²
㏒500+㏒(5/8)-½㏒64+50(㏒2+㏒5)²
㏒500+㏒(5/8)-½㏒64+50(㏒2+㏒5)²
㏒500+㏒(5/8)-½㏒64+50(㏒2+㏒5)²
=2+lg5+lg5-lg8-lg8+50
=52+2lg5-6lg2
=46+7lg5
虾米??