一根钢管锯成两段需要5分之4分钟,锯成六段需要几分钟

相关推荐

• 把一根木头锯成两段,需要三分钟,据成三段,一共需要几分钟?
• 一根钢管锯成2段需要5分之4分钟,如果锯成6段需要多少分钟?
• 用12分钟把一根木料据成了4段,如果保持工作速度不变,把每段木头在锯成两段,需要几分钟?
• 一根木头锯成5段,如果锯成8段,共需要几分钟?
• 一根木头锯成5段需十一分之八分钟,照这样计算,锯成八段需要多少分钟?
• 把一根木条锯成5段,用去6.4分钟,如果把这木条锯成10段,需要几分钟?
• 一根钢管锯成两段需要5分之4分钟,锯成六段需要几分钟
• 把一根木料锯成5段要8分钟,锯19段,需要几分钟
• 王师傅要把一根木头锯成两段需要5分钟,锯成四段需要多少时间
• 一根钢管锯成2段要5分之2分钟,如果锯成6段要几分钟
• 以感恩为话题的作文600字
• Fred's final mark in an online course was determined entirely by two exams.The mid-term exam was out of x marks and was worth 25% fo his final mark.The final exam was out of 2x marks and was worth 75% of his final mark.Fred scored 40 marks on the first exam and 60 marks on the second exam.Determine the value of x if Fred earned a final mark of 50% in the course.