CATDOLL : CATDOLL: Another meaning of fish farming

CATDOLL: Another meaning of fish farming

1. Another meaning of fish farming

Hello: Your title is a little vague, but I can understand the general meaning. Fish farming in fish farms and fish farming at home are two different concepts. Fish farms focus on the overall beauty! Control is the theme, and low water levels are mostly static breeding. At home, the focus is on the swimming posture of fish, and what is needed is multi-position viewing and deep water level and spacious containers.

2. How to raise fish in QQ Fishery

First go to the mall to unlock the fish to buy, then go to the backpack to click on the fish and go to the fish pond

3. A fish farm raises fish. The weight of the fish increases by 200% in the first year. It is expected that the growth rate each year thereafter will be half of the growth rate of the previous year. (1) Raise five

(1) The first term of the growth rate is 2, and the common ratio is

1

2, so the growth rate in the nth year is 2?(

1

2)n-1=

1

2n-2 ,

The weight of fish in the nth year is an=(1+

1

2n-2 )an-1,∴a1=3a0,a2=6a0,a3=9a0,a4=

5

4 a3=

45

4 a0,a5=

405

32a0

(2) Assume that after n years, the weight of the fish begins to decrease, since an=an-1(1+

1

2n-2 ) (1-10%)=

9

10 an-1(1+

1

2n-1 ),

but

9

10 an-1(1+

1

2n-2 ) ≥an-1

an>an(1+

1

2n-1 ) ?

9

10, ∴18<2n≤36, ∴n=5.

Answer: After 5 years, the weight of the fish begins to decrease.

4. How to raise fish on the farm

First you open a fish farm, then you can raise fish

5. I want to have a fish farm and raise fish

Use a computer. Open. Buy fish. Feed them. Harvest. Sell for money. Buy again. Repeat. You can also steal, and then you can upgrade!

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