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The two warehouses store 120 tons of grain each, and transport 30 tons of grain from warehouse B to warehouse A. at this time, the grain in warehouse B is ()
The two warehouses store 120 tons of grain each, and transport 30 tons of grain from warehouse B to warehouse A. at this time, the grain in warehouse B is 3 / 5 of that in warehouse a
reason:
120—30=90
120+90=150
90÷150=3/5
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