(9/10*11-3/5)*1/21求过程!0.375*X=Y*7/16,则X Y=?

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(9/10*11-3/5)*1/21求过程!0.375*X=Y*7/16,则X Y=?
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(9/10*11-3/5)*1/21求过程!0.375*X=Y*7/16,则X Y=?
(9/10*11-3/5)*1/21求过程!0.375*X=Y*7/16,则X Y=?

(9/10*11-3/5)*1/21求过程!0.375*X=Y*7/16,则X Y=?
(9/10*11-3/5)*1/21
=(99/10-3/5)*1/21
=(93/10)*1/21
=93/210