Question

人教版六年级下册数学书44页1.2.3题答案。。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

Answer 1

(1)730=730=730
(2)平均速度
(3)成，因为航程随时间的增加而增加

Answer 2

1、730 730 730 730
2、速度
3、成正比
∵速度都相同

Answer 3

730 730 730 730
速度
成正比 因为速度都相同

Answer 4

lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll

Answer 5

我写了 也没用了吧 等会儿我拿全解