Number reasoning 3,8,24,48120, ()

Number reasoning 3,8,24,48120, ()

one hundred and sixty-eight
Square of 2 minus 1, square of 3 minus 1, square of 5 minus 1, square of 7 minus 1, square of 11 minus 1, square of 13 minus 1

Number reasoning: 2,3,10,15,26,35 () option a40, b45c50d55

Square of 1 + 1
Square of 2-1
Square of 3 + 1
Square of 4-1
Square of 5 + 1
Square of 6-1
next
Square of 7 + 1 = 50 choose C

2.2 3 10 15 26 () number reasoning
2 3 10 15 26 () number reasoning
What's the last number to fill in?

2,3,10,15,26,(35)
2=1^2+1
3=2^2-1
10=3^2+1
15=4^2-1
26=5^2+1
35=6^2-1

There are one fifth more chickens than ducks, five less ducks and () chickens
Thinking I

The number of chickens is one fifth more than that of ducks, ducks are five less than chickens, and there are (30) chickens
Thinking: "five ducks are less than five chickens", that is, "five chickens are more than five ducks". These five chickens are "one fifth more than ducks", that is to say, one fifth of ducks is equal to five. Therefore, ducks have: 5 △ 1 / 5 = 25, chickens have 25 + 5 = 30

There are 1200 chickens and ducks, 700 ducks and geese, and 1100 chickens and geese. How many ducks does Uncle Zhang have?

These three figures add up to twice the total number of chickens, ducks and geese
1200+700+1100=3000
This is the total number of chickens, ducks and geese
Total number - total number of chickens and geese = number of ducks
That is 1500-1100 = 400

Uncle Zhang's ducks are 40% less than chickens, and how many% more than ducks? How many solutions?

Suppose there are x chickens, then ducks have 60% x, so (X-60% x) / (x + 60% x) = 25%
25% more

There are 280 ducks in the farm, and more ducks than chickens are raised & nbsp; 16. How many chickens are raised in the farm?

280 ^ (1 + 16), = 280 ^ 76, = 240 (chickens), a: 240 chickens are raised in the farm

In the feeding group, there were 35 chickens, and the number of ducks was 7 / 2 more than that of chickens

Ducks = 35 × (1 + 7 / 2) = 45

In the feeding group, there were 35 chickens, and the number of chickens was 4 / 5 of that of ducks?

The number of chickens is 4 / 5 of that of ducks
There are 35 / (4 / 5) = 175 / 4 ducks
=75
I don't think it's right that the result is not an integer!
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In the feeding group, there were 35 chickens and 60% more ducks?

35+35*60%=56