水果超市运来苹果2500千克,比运来的梨的2倍少250千克.这个超市运来梨多少千克?
人气:250 ℃ 时间:2019-11-13 02:35:16
解答
设这个超市运来梨x千克
2x-250=2500
2x=2750
x=1375
答:这个超市运来梨1375千克.
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