mn ơi giúp mình nhé
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12,12 x 7,5 + 12,12 : 2 + 12,12 + 12,12
= 12,12 x 7,5 + 12,12 x 0,5 + 12,12 x 1 + 12,12 x 1
= 12,12 x (7,5 + 0,5 + 1 + 1)
= 12,12 x 10
= 121,2
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2 Is your family with you hear
3 Does your wife enjoy athletics
4 Do you like life here in Italy?
5 Are you worried about the Italian Champion, Giacomo Zanetti
6 Dp you have any advice for young athletes
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4: Ta có: x+2x+...+18x=1368
\(\Leftrightarrow153x=1368\)
hay \(x=\dfrac{152}{17}\)
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Part 3
I
1 T
2 F
II
3 My family can receive much happiness from doing volunteer
4 My family raises some fund for them, and also cook meal for them
Part IV
I
1 Although I was tired last night, I stayed up late to watch a game show
2 Ha noi is smaller than HCM City
II
1 Sleep more, but try to wake up at the usual time
2 Be careful with what you eat and drink
III
1 - B
2 - D
3 - A
4 - E
5 - F
B
6 so
7 or
8 because
9 and
10 more
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Bài 3:
a) Ta có: \(A-\left(9x^3+8x^2-2x-7\right)=-9x^3-8x^2+5x+11\)
\(\Leftrightarrow A=-9x^3-8x^2+5x+11+9x^3+8x^2-2x-7\)
\(\Leftrightarrow A=3x+4\)
b) Đặt A(x)=0
nên 3x+4=0
hay \(x=-\dfrac{4}{3}\)
Bạn có biết giải bài hình k giúp mình với 21:00 mình phải nộp rồi
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
1 B
2 D
3 C
4 C
5 D
6 D
II
1 B
2 C
3 D
4 B
5 A
6 D
III
1 C
2 C
3 B
4 B
5 A
6 D
7 B
8 D
9 A
10 C
11 B
12 A
13 C
14 B
15 D
16 C
17 A
18 B
19 B
20 C
21 A
22 D
23 A
24 B
25 D
26 D
27 C
IV
1 C
2 A
mn ơiiii
giúp gấp mnnn