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修路队修一条公路,已修部分与未修部分的比是5:3,又知已修部分长600米,这条路长多少米?
1年前
________molAl2O3中含有6.02×1023个Al原子.
1年前
The most frightening words in the English language,as it is,are"Our computer is ___"
1年前
The storybook_________Bob bought yesterday is very interesting. [ ]
1年前
阅读理解 Dear Li Ming, Now we are on the farm of our village in the west of England
1年前