TK
0
K
Khách
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TK
3
5 tháng 8 2021
a,\(3xy+6x^2=3x\left(y+2x\right)\)
b,\(-4xy^2+8x^2y=-4xy\left(y-2x\right)\)
c,\(4\left(x+y\right)+x^2+xy=4\left(x+y\right)+x\left(x+y\right)\)\(=\left(4+x\right)\left(x+y\right)\)
5 tháng 8 2021
d,\(4x^2-9y^2=\left(2x\right)^2-\left(3y\right)^2=\left(2x-3y\right)\left(2x+3y\right)\)
e,\(25x^2-\dfrac{1}{4}=\left(5x\right)^2-\left(\dfrac{1}{2}\right)^2=\left(5x-\dfrac{1}{2}\right)\left(5x+\dfrac{1}{2}\right)\)
DT
Đỗ Thanh Hải
CTVVIP
13 tháng 9 2021
1 Who have the custom of making....?
2 What do people in the Central Highlands believe?
3 What would they do if the dead weren't buried in beautiful graves
4 What do they make funeral houses and cutting wooden statues for?
5 How many tools do people in the central highlands use to make statues
6 What are the topics for funeral statues aken from?
G
1
24 tháng 10 2021
Tham khảo nha bn:
I think the best recreational activity for teenagers is playing sports. First, they can find friends with similar interests. Second, physical activity is a good way to reduce stress and reduce depression. Furthermore, sport can help develop teamwork and leadership skills that may be necessary for their future jobs. Their parents should offer advice on choosing an appropriate recreational activity; However, it is the youth who make the final decision.
giúp e câu 2,3,6,9 vs ạ em đang cần gấp T-T
DT
Đỗ Thanh Hải
CTVVIP
27 tháng 8 2021
2 She said nothing grew in her garden because it never got any sun
3 He told his mother he was going to HN the day after
6 He told her to switch off the TV
9 I warned them not to watch late night horror film
