3/4.11/13.-4/3 help meee
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TC
1
NT
1
10 tháng 12 2016
\(81x^4+4\)
\(=81x^4+36x^2+4-36x^2\)
\(=\left(9x^2+2\right)^2-\left(6x\right)^2\)
\(=\left(9x^2-6x+2\right)\left(9x^2+6x+2\right)\)
DT
Đỗ Thanh Hải
CTVVIP
25 tháng 10 2021
1 the traffic was bad, I arrived on time
2 on with most of his colleague
3 Lan was ill, she didn't go to Dong Ho village with her friends
4 forward to visiting Hue next week
5 as I have finished my work, I will give you a call
6 is as small as the Central Tower
7 think over it carefully and give you an answer next week
8 is the worst hotel we have stayed
9 go on doing your work and don't......
10 is more exciting than Da Nang
Đáp số là -11/13 nhé
=3/4.-4/3.11/13
=-1.11/13=-11/13