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我算不出结果
A manufacturer produced x percent more video cameras in 1994 than in 1993 and y percent more video cameras in 1995 than in 1994.If the manufacturer produced 1,000 video cameras in 1993,how many video cameras did the manufacturer produced in 1995?
(1)xy=20
(2)x+y+xy/100=9.2
答案(B)
B充分??我怎么算不出噢!谁知道啊 |
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