30/100x+70/100(200-x)=200×54/100怎么写?

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30/100x+70/100(200-x)=200×54/100怎么写?30/100x+70/100(200-x)=200×54/100怎么写?30/100x+70/100(200-x)=200×54

30/100x+70/100(200-x)=200×54/100怎么写?
30/100x+70/100(200-x)=200×54/100
怎么写?

30/100x+70/100(200-x)=200×54/100怎么写?
30/100x 这个式子,是(30/100)x呢?还是30/(100x)呢?由于题没写好,我也不敢乱说,怕误导你啦.