a)|x|=5 b)|x-1|=7
K
Khách
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![](https://rs.olm.vn/images/avt/0.png?1311)
DN
1
![](https://rs.olm.vn/images/avt/0.png?1311)
27 tháng 11 2022
Ta có: 34 = 2.17, 85 = 5.13
BCNN(34,85)= 2.5.13.17=2210
BC(34,85)=B(2210)={0;2210;4420;...}
Mà BC(34,85) lớn hơn 500 và nhỏ hơn 1000 nên ko có BC nào thỏa mãn
DT
1
Z
1
![](https://rs.olm.vn/images/avt/0.png?1311)
GN
GV Nguyễn Trần Thành Đạt
Giáo viên
27 tháng 11 2022
x = 0 hoặc x=1
Tổng các số nguyên x thoả mãn: 0+1=1
![](https://rs.olm.vn/images/avt/0.png?1311)
27 tháng 11 2022
Trong hình học, một hình thập giác là bất kỳ đa giác nào có mười cạnh và mười góc, và trên thực tế hình thập giác thường được đề cập tới là hình thập giác đều, có các cạnh bằng nhau và các góc trong bằng nhau và bằng 144°. Ký hiệu Schläfli của hình thập giác là {10}.
Thập giác – Wikipedia tiếng Việt
https://vi.wikipedia.org › wiki › Thập_giác
![Kết quả hình ảnh cho hình có 10 cạnh 10 góc là hình gì](data:image/png;base64,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)
![Kết quả hình ảnh cho hình có 10 cạnh 10 góc là hình gì](data:image/jpeg;base64,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)
![Kết quả hình ảnh cho hình có 10 cạnh 10 góc là hình gì](https://cdn3.olm.vn/upload/img_teacher/1127/img_teacher_2022-11-27_6382e5f6c178d.jpg)
![Kết quả hình ảnh cho hình có 10 cạnh 10 góc là hình gì](https://cdn3.olm.vn/upload/img_teacher/1127/img_teacher_2022-11-27_6382e5f6c178d.jpg)
BT
0
![](https://rs.olm.vn/images/avt/0.png?1311)
`a)|x|=5`
`=>x=5` hoặc `x=-5`
_____________________________________
`b)|x-1|=7`
`@TH1:x-1=7=>x=7+1=8`
`@TH2:x-1=-7=>x=-7+1=-6`