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1986+502

≈ 2500. 1986+502. =2500. 2000+500. ≈4400. 5005-594. =4400. 5000-600. ≈1000. 6007-4994. ≈ 300. 703-392. 269+481+250. ≈ 1000. =1000. 300+500+200. ≈ 150. 35+43+71. =150. 40+40+70. ≈ 850. 150+230+480. =850. 150+200+500. 菜名 价格 ( 元 ) 红烧鱼块 27 老鸭煲 29 芹菜肉片 19

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1986+502

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  1. ≈2500 1986+502 =2500 2000+500

  2. ≈4400 5005-594 =4400 5000-600

  3. ≈1000 6007-4994 ≈300 703-392

  4. 269+481+250 ≈1000 =1000 300+500+200

  5. ≈150 35+43+71 =150 40+40+70

  6. ≈850 150+230+480 =850 150+200+500

  7. 菜名 价格(元) 红烧鱼块 27 老鸭煲 29 芹菜肉片 19 炒虾仁 32 炒鸡蛋 17 蘑菇豆腐 15

  8. 带100元够吗? 米 48元 蛋 8元5角 鱼 16元 肉 22元

  9. 带100元够吗? 米 52元 蛋 10元5角 鱼 19元 肉 21元

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