数学题:一家四口人要一起吃饭

  • 时间:2020-05-13 15:00:54
  • 分类:数学世界
  • 阅读:153 次

数学题:一家四口人要一起吃饭,他们的晚饭是炸土豆丝和小黄鱼,其中父亲要吃炸2分钟的土豆丝和7条炸6分钟的鱼;母亲要吃炸4分钟的土豆丝和4条炸10分钟的鱼;妹妹要吃炸5分钟的土豆丝和3条炸12分钟的鱼;哥哥要吃炸4分钟的土豆丝和5条炸14分钟的鱼。如果这家人只有一个炸锅,那么,做这顿饭至少需要多长时间?

数学题解答:取每种油炸食品的最长时间,相加即可。

炸鱼最长的需要14分钟,炸土豆丝最长的需要5分钟。14+5=19(分钟)

答:做这顿饭至少需要19分钟。

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