0*0/0=?
giúp mình
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2N
5
2N
1
ND
2
25 tháng 9 2016
a) 0,(17) + 0,(82) = 0 + 17 . 1/99 + 0 + 82 . 1/99 = 17/99 +82/99 = 1
b) 0,(6) . 3 = ( 0 + 6 . 1/9 ) . 3 = 6/9 . 3 = 18/9 = 2
a/ (do (x-3)^2 + 1 ≠0 vs mọi x11 tháng 12 2020
a) (x-3)3-3+x=0
=> (x-3)3+(x-3)=0
=> (x-3)(x2-6x+10)
=> \(\left[{}\begin{matrix}x-3=0\\x^2-6x+10=0\end{matrix}\right.\)
=> \(\left[{}\begin{matrix}x=3\\\left(x-3\right)^2=1\end{matrix}\right.\)
=> \(\left[{}\begin{matrix}x=3\\x=4\\x=2\end{matrix}\right.\)
Giúp mình với, mình c
DL
23 tháng 8 2016
III.
1. Which soup do you like?
=> I like chicken soup.
2. Where does Ann usually go in the evening?
=> She usually goes to the cinema.
3. Who do Carol and Bill visit on Sunday?
=> They visit their grandparents.
4. What does David usually drink with his breakfast?
=> He usually drinks coffee.
5. When do you watch TV?
=> I watch TV in the evening.
IV.
1. What time ...
2. What ...
3. Whose ...
4. Why ...
5. How often ...
V.
1. What made the noise?
2. How did the opera sing?
3. Who did Yoni write?
4. What did they think about all day?
5. Who knew all the answers?
THE END!
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