10 bạn làm xong đầu tiên mik sẽ tick cho :))
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1=5;2=10;3=15;4=20;5=?
người nào làm xong đầu tiên mik sẽ kb
kb 5 người đầu tiên,tick 1 người đầu tiên
mik nghĩ là 5 = 1
học tốt
kb nhé, vì 1 = 5 rồi thì, 5 = 1 chứ bằng mấy nữa
33/66=1/2
7878/5757=26/19 nha
~HT~
K cho mình nha
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\(\frac{33}{66}=\frac{33:33}{66:33}=\frac{1}{2}\)
\(\frac{7878}{5757}=\frac{7878:101}{5757:101}=\frac{78}{57}\)
/HT\
a) A = 1 + 3 + 32 + ... + 37
3A = 3 ( 1 + 3 + 32 + .. + 37)
3A = 3 + 32 + 33 + ...+ 38
b) Vì 3A = 3 + 32 + 33 + ...+38
2A = 38- 1
A = ( 38-1) : 2 (Điều phải chứng minh)
a) A = 1 + 3 + 32 + ... + 37
3A = 3 ( 1 + 3 + 32 + .. + 37)
3A = 3 + 32 + 33 + ...+ 38
b) Vì 3A = 3 + 32 + 33 + ...+38
2A = 38- 1
A = ( 38-1) : 2 (Điều phải chứng minh)
Mong bạn tick cho mình
Hi bernice, My name 's Linh, i'm from Viet Nam,I still study english as well, exactly about 7 months ago. At the first time, when i speak english with foreigner , you know, my heart seem to be broken and felling panic.... And i think we must keep our passion as well as don't be scared and worry.... Of course, day by day step by step, we 'll improve a lot .Okie right?
Today I would to talk about myself (or I am glad to introduce myself). I am Lan. I was born and grew up in a poor village but it is very peaceful. People here are very kind and friendly. And you know I love my village so much because there is my family there. My family has four people: my father my mother my older sister and I. My father is an engineer. He works for a good company in Hanoi. My mother is a teacher. She teaches me so much. My older sister is a student. We have a lot same points. She s reading comic books fishing collecting and I do too. Her enjoy color is red but I blue. She taught me how to live in a university environment how to make acquaintances with anyone and so on and I thank her for those. Thanks to her teaching I know much more and have so many friends. I always promise myself to try to study well in order to my family can be proud of me.
5/6 = 2/3 + 1/6
nha bạn chúc bạn học tốt nha
t.i.c.k cho tao
Làm câu mấy vậy bạn?