lamf giups m vowis
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45 B
46 A
47 C
48 C
49 D
50 B
IV
1 will give
2 have read
3 elected
4 hasn't been cleaned
5 had gone
6 were written
7 will be chosen
8 will be
9 shouldnt go
10 are walking
V
1 are => is
2 many => much
3 walk => walking
4 sadly => sad
5 there => there're
6 doesn't => does
7 may => bỏ
8 by => on
9 are= > is
10 shock
VI
1 freedom - slavery
2 proud - national
3 cultural - public
4 difficult - solve
5 having - successful
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a^2+b^2/ 9+16=102/25
=>a^2=109/25.9=981/25=>a=căn 981/25
=>b^2=109/25.16=1744/25=>b= căn 1744/25
a2/9 = b2/6 = (a2+b2)/(9+6) = 102/15 = 6,8 (tính chất dãy tỉ số bằng nhau)
=> a2 = 6,8.9 = 61,2 = > a = \(\sqrt{61,2}\)
b2 = 6,8.16 = 108,8 => b = \(\sqrt{108,8}\)
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sos nayf nhor neen chacws banj tuwj tinhs
4^5=1024 ; 5^4=625 -> 4^5>5^4
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Nếu = 0 thì chỉ có 1 trường hợp
! x - 1 ! = 0
=> x - 1 = 0
x = 0 + 1
x = 1
|x - 1| = 0
x = 0 + 1
x = 1
mik ko biết cách khác
k mik nha bn
Tui ko bt