What is the order of the following ODE? [图]A、1B、2...
What is the order of the following ODE?
A、1
B、2
C、3
D、4
What is the order of the following ODE?
A、1
B、2
C、3
D、4
A、negative, neutral, positive
B、negative, positive, neutral
C、positive, neutral, negative
D、neutral, negative, positive
(1)盐;
(2)住房;
(3)剧院门票;
(4)食物。
For which of the following goods is a price increase likely to lead lo a substantial income ( as well as substitution) effect?
a. salt
b. housing
c. theater tickets
d. food
A、un1= 1.2V,un2=5V
B、un1=-1.2 V,un2=5V
C、un1= -28/25V,un2=5V
D、un1= 28/25V,un2=5V
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