2#
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(1)�J�ս� 1.815 X 2 = 3.63 g
�ת� 3.205 X 2 = 6.41 g
�Ҥ��ƦX�� 4.9709 X 2 = 9.9418 g
�u 0.0091 X 2 = 0.0182 g
(2)�J�ս� 1.815 X 2.5 = 4.5375 g
�ת� 3.205 X 2.5 = 8.0125 g
�Ҥ��ƦX�� 4.9709 X 2.5 = 12.42725 g
�u 0.0091 X 2.5 = 0.02275 g
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