人教版六年级下册数学书44页1.2.下面是题.飞行时间/时 2 5 6 9航程/km 1460 3650 4380 6570(1)分别写出各航程和相对应飞行时间的比,比较比值的大小.(2)说明这个比值表示的意义(3)表中的航程和飞行
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![人教版六年级下册数学书44页1.2.下面是题.飞行时间/时 2 5 6 9航程/km 1460 3650 4380 6570(1)分别写出各航程和相对应飞行时间的比,比较比值的大小.(2)说明这个比值表示的意义(3)表中的航程和飞行](/uploads/image/z/626466-66-6.jpg?t=%E4%BA%BA%E6%95%99%E7%89%88%E5%85%AD%E5%B9%B4%E7%BA%A7%E4%B8%8B%E5%86%8C%E6%95%B0%E5%AD%A6%E4%B9%A644%E9%A1%B51.2.%E4%B8%8B%E9%9D%A2%E6%98%AF%E9%A2%98.%E9%A3%9E%E8%A1%8C%E6%97%B6%E9%97%B4%2F%E6%97%B6+2+5+6+9%E8%88%AA%E7%A8%8B%2Fkm+1460+3650+4380+6570%281%29%E5%88%86%E5%88%AB%E5%86%99%E5%87%BA%E5%90%84%E8%88%AA%E7%A8%8B%E5%92%8C%E7%9B%B8%E5%AF%B9%E5%BA%94%E9%A3%9E%E8%A1%8C%E6%97%B6%E9%97%B4%E7%9A%84%E6%AF%94%2C%E6%AF%94%E8%BE%83%E6%AF%94%E5%80%BC%E7%9A%84%E5%A4%A7%E5%B0%8F.%282%29%E8%AF%B4%E6%98%8E%E8%BF%99%E4%B8%AA%E6%AF%94%E5%80%BC%E8%A1%A8%E7%A4%BA%E7%9A%84%E6%84%8F%E4%B9%89%283%EF%BC%89%E8%A1%A8%E4%B8%AD%E7%9A%84%E8%88%AA%E7%A8%8B%E5%92%8C%E9%A3%9E%E8%A1%8C)
人教版六年级下册数学书44页1.2.下面是题.飞行时间/时 2 5 6 9航程/km 1460 3650 4380 6570(1)分别写出各航程和相对应飞行时间的比,比较比值的大小.(2)说明这个比值表示的意义(3)表中的航程和飞行
人教版六年级下册数学书44页1.2.下面是题.
飞行时间/时 2 5 6 9
航程/km 1460 3650 4380 6570
(1)分别写出各航程和相对应飞行时间的比,比较比值的大小.
(2)说明这个比值表示的意义
(3)表中的航程和飞行时间成正比例吗?为什么?
请给我这3个小题的答案
人教版六年级下册数学书44页1.2.下面是题.飞行时间/时 2 5 6 9航程/km 1460 3650 4380 6570(1)分别写出各航程和相对应飞行时间的比,比较比值的大小.(2)说明这个比值表示的意义(3)表中的航程和飞行
(1)730=730=730
(2)平均速度
(3)成,因为航程随时间的增加而增加
730 730 730 730
速度
成正比 因为速度都相同
1、730 730 730 730
2、速度
3、成正比
∵速度都相同
我写了 也没用了吧 等会儿我拿全解
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