How much is 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15

How much is 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15

1+3+5+7+9+11+13+15
=(1+15)+(3+13)+(5+11)+(7+9)
=16*4
=64

If Xiao Ming gives Xiao Gang five pictures, they will have the same number of pictures. How many more pictures does Xiao Ming have than Xiao Gang?

It turns out that Xiao Ming has more pictures than Xiao Gang
=5×2
=10

How to translate English?

alway there/ still being here

How does 25.8 degrees cost degrees, minutes and seconds mean 3

25.8°
=25°+0.8°
=25°+0.8*60′
=25°+48′
=25°48′
Answer for you

What is the minimum increase in surface area of a cuboid 10 cm long, 8 cm wide and 6 cm high cut into two cuboids of exactly the same shape and size
Square centimeter? Does the volume change?

8 * 6 * 2 = 96 square centimeter
A: the minimum increase is 96 square centimeters
There is no change in volume

It is known that the sum of the first n terms of {an} is SN. If A3 = 18 and S3 = 26, then the common ratio of {an} is q = 1___ ．

When the common ratio q = 1, S3 ≠ 3a3, does not satisfy the condition, so Q ≠ 1. When Q ≠ 1, q = 3 is obtained from A1 · Q & nbsp; 2 = 18a1 (1-Q & nbsp; 3) 1-Q = 26, so the answer is 3

How to make the square of y-2y-8 = 0

y^2-2y-8=0
(y-4)(y+2)=0
Y = 4 or y = - 2
cross multiplication

What are the references of uncountable nouns?

it /that/ this

I have an English problem that I can't ~ \ (≥ ▽≤) / ~ Lala
I often swim in my s---------- time .I like it a lot.

I often swim in my spare time. I like it a lot

18 in 5 meters equals () - () in 1 meter

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