(72005+72004):72004
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\(3mm=\frac{3}{10}cm=\frac{3}{100}dm\);\(7mm=\frac{7}{10}cm=\frac{7}{100}dm\)
\(9mm=\frac{9}{10}cm=\frac{9}{100}dm\)
Chúc bạn học giỏi.
\(3mm=\frac{3}{10}cm=\frac{3}{100}dm\)
\(7mm=\frac{7}{10}cm=\frac{7}{100}dm\)
\(9mm=\frac{9}{10}cm=\frac{9}{100}dm\)

mình thấy bain ghi Vũ Tiến Hùng...
nên mình đoán bạn tên gì đó trog những từ trên!!
tên ... Hoa??


Giới từ | Sử dụng | Ví dụ |
---|---|---|
in | in months | in July; in September |
year | in 1985; in 1999 | |
seasons | in summer; in the summer of 69 | |
part of the day | in the morning; in the afternoon; in the evening | |
duration | in a minute; in two weeks | |
at | part of the day | at night |
time of day | at 6 o'clock; at midnight | |
celebrations | at Christmas; at Easter | |
fixed phrases | at the same time | |
on | days of the week | on Sunday; on Friday |
date | on the 25th of December* | |
special holidays | on Good Friday; on Easter Sunday; on my birthday | |
a special part of a day | on the morning of September the 11th* | |
after | later than sth. | after school |
ago | how far sth. happened (in the past) | 6 years ago |
before | earlier than sth. | before Christmas |
between | time that separates two points | between Monday and Friday |
by | not later than a special time | by Thursday |
during | through the whole of a period of time | during the holidays |
for | period of time | for three weeks |
from ... to from... till/until | two points form a period | from Monday to Wednesday from Monday till Wednesday from Monday until Wednesday |
past | time of the day | 23 minutes past 6 (6:23) |
since | point of time | since Monday |
till/until | no later than a special time | till tomorrow until tomorrow |
to | time of the day | 23 minutes to 6 (5:37) |
up to | not more than a special time | up to 6 hours a day |
within | during a period of time | within a day |
Copy ko ghi rõ nguồn :D

facebook của mk là: hoahongdangyeu
ko dấu ko cách nha bn!!
mk để hình hoa lan í vì mk iu hoa hồng?!
facebook mình là vợ chồng liên quân
chỉ có mỗi nít mình là vậy thôi
mình cũng sợ bị từ điểm lắm
#Mina#

b. x^10 = x
x^10 = x^1
x^10 - x^1 = 0
x^1.x^9 - x^1.1 = 0
x^1 . (x^9 - 1 ) = 0
x^1 = 0 hoặc x^9 - 1 = 0
x^1 = 0 = 0^1 x^9 = 0 + 1
=> x = 0 x^9 = 1
x^9 =1^9
=> x = 1
Vậy x = 0 ; 1
=> là suy ra
. là dấu nhân

\(B=\frac{72^3.54^2}{108^4}\)
\(B=\frac{2^9.3^6.2^2.3^6}{2^8.2^{12}}=2^3=8\)

=7 +1=8
Chúc bạn học tốt
(7^2005+7^2004):7^2004
=7^2005:7^2004+7^2004:7^2004
=7+1
=8