8x+5×(50-x)=265怎么算啊?
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8x+5×(50-x)=265怎么算啊?
8x+5×(50-x)=265怎么算啊?
8x+5×(50-x)=265怎么算啊?
8x+5×(50-x)=265 8x+250-5x=3x+250=265 3x=15 x=5
8x+5×(50-x)=265怎么算啊?
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