956

tích mình đỡ âm nha

I left home at 8.am yesterday morning and went to college (1).by bus

From:Bestfriendforever@gmail.com

To:...

My school

I am a student at high school. My school is very big and more beautiful. At school, there are many students and teachers. The teachers are very nice and ardor.They give me many many books and lessons. Everdday, I go to scool and meet my friends. We try to learn to become good student. We enjoy reading, playing, learning, helping together. In the scholl, I study so much, math, science, History, English , Vietnamese,...I like English, Chemistry, math. I can sleep when I study. I try alot, if I lazy, my teachers are sad. I love all the day for school and love my teachers so much. Because not people don't love their school. I love it and I know It's love us too. I love my school, my friends, my teachers very much. I can not forget this beloved high school. I will try study to worthy my teachers, my school.

See you again

.....(kí tên)

=> 5^x : 5=625 .25

5^x  =15625 .5

5^x =78125

=>x=7 **** nha

Tuyệt vời

Đẹp lắm bn ạ ❤❆

There is a world,That is virtual and different,It can be so cold,Makes us stand up for what's right,Our hope through our lives,If we reset it to the startHere we are, going far, to save all that we loveIf we give all we've got we will make it throughHere we are, like a star, shining bright on your world today...Make evil go away!Code Lyoko: We'll reset it allCode Lyoko: Be there when you callCode Lyoko: We will stand real tallCode Lyoko: Stronger after allA world of machines,It can shadow human natureAnd all that we need,Is the way to find the answerAnd one thing is sure,You can count on us for good(Refrain)W e'll do our best,To never let you downWe're up to the test,To turn this world around!

lải là

3000000 x 0,5 :100=15000 đ

cả lải và gửi

3000000 +15000 =3015000 đ

đs

\(x^2+2xy-9+y^2\)

\(=\left(x^2+2xy+y^2\right)-3^2\)

\(=\left(x+y\right)^2-3^2\)

\(=\left(x+y-3\right)\left(x+y+3\right)\)

Ta gọi tổng đó là A 

Ta có:

A=2+2²+2³+...+2⁶⁰

2A=2²+2³+2⁴+...+2⁶¹

2A-A=2⁶¹-2

A=2⁶¹-2

tick nha 

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