求解答:加工一批服装,每天加工300套,16天可以完成

  • 时间:2020-05-12 13:38:15
  • 分类:数学世界
  • 阅读:85 次

数学题:加工一批服装,每天加工300套,16天可以完成。

(1)如果每天加工400套,提前几天完成?

(2)如果每天多加工20套,几天可以完成?

(3)如果要提前5天完成,每天要加工多少套?

数学题解答

①16-300×16÷400 = 4(天)

②300×16÷(300+20)=15(天)

③300×16÷(16-5)= 436(套)……4(套)

436+1=437(套)

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