27.9-13.06+2.1脱式计算.
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27.9-13.06+2.1脱式计算.27.9-13.06+2.1脱式计算.27.9-13.06+2.1脱式计算.=27.9+2.1-13.06=30-13.06=16.94祝您步步高升=14.84+
27.9-13.06+2.1脱式计算.
27.9-13.06+2.1脱式计算.
27.9-13.06+2.1脱式计算.
=27.9+2.1-13.06
=30-13.06
=16.94
祝您步步高升
=14.84+2.1
=16.94