问题
解答题
先判断X和Y的关系,再填空. (1)
(2)
|
答案
(1)根据
=0.08 2
=0.04,是比值一定,X和y成正比例,所以0.12÷0.04=3,0.04×9=0.36.0.16 4
x | 2 | 3 | 4 | 9 | … |
y | 0.08 | 0.12 | 0.16 | 0.36 | … |
x | 6 | 3 | 2 | 1 | … |
y | 20 | 40 | 60 | 120 | … |
先判断X和Y的关系,再填空. (1)
(2)
|
(1)根据
=0.08 2
=0.04,是比值一定,X和y成正比例,所以0.12÷0.04=3,0.04×9=0.36.0.16 4
x | 2 | 3 | 4 | 9 | … |
y | 0.08 | 0.12 | 0.16 | 0.36 | … |
x | 6 | 3 | 2 | 1 | … |
y | 20 | 40 | 60 | 120 | … |