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3㏒3²－㏒3∧4/15＋㏒3∧2.7﹣5∧㏒5³
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3㏒3²－㏒3∧4/15＋㏒3∧2.7﹣5∧㏒5³
=3㏒3²+㏒3∧2.7/（4/15）﹣3
=3㏒3²+㏒3∧81/8-3
=3㏒3²+4-3㏒3²-3
=4-3
=1
=3㏒3²+㏒3∧2.7/（4/15）﹣3
=3㏒3²+㏒3∧81/8-3
=3㏒3²+4-3㏒3²-3
=4-3
=1
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