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6年级：甲乙比是3：2， 甲调48人乙后比是3：4， 原来各多少人？
甲乙两车间原有人数的比是3：2， 甲车间调48人到乙车间后与乙车间人数的比是3：4， 两车间原来各有多少人？
小升初/6年级奥数课程74/98
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