Xác định lỗi sai và sửa lại
-Some people\(\frac{grow}{A}\) so \(\frac{tall}{B}\) \(\frac{as}{C}\) their healthy \(\frac{may}{D}\) become endangered.
Hộ tớ nhé các cậu<3
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1: Some people grow so tall that their health may become danger.
2: After saying goodbye to my ...( tham khảo: friends, I went home.)
Ta có:
\(\frac{a+b}{c}=\frac{b+c}{a}=\frac{c+a}{b}\)
=> \(\frac{a+b}{c}+1=\frac{b+c}{a}+1=\frac{c+a}{b}+1\)
=> \(\frac{a+b+c}{c}=\frac{a+b+c}{a}=\frac{a+b+c}{b}\)
+) Nếu a + b + c = 0 => a + b = -c; b + c = -a; c + a = -b
=> \(\frac{a+b}{c}=-1\);\(\frac{b+c}{a}=-1\); \(\frac{c+a}{b}=-1\)
=> M = (-1)3 = -1
+) Nếu a + b + c khác 0 => a = b = c => a + b = 2c; b + c = 2a; c + a = 2b
=> M \(\left(1+\frac{a}{b}\right)\left(1+\frac{b}{c}\right)\left(1+\frac{c}{a}\right)=\frac{a+b}{c}.\frac{b+c}{a}.\frac{c+a}{b}=2.2.2=8\)
Vậy M = -1 hoặc M = 8
find a mistake in eaach sentence below :(tìm lỗi sai và sửa lỗi . lỗi mik in đậm nhé)
1.people who live a healthy meals lifestyle tend to be more healthy => healthier , live longer and are happier
2.You should avoid heavy meals in the summer months,especial => especially during hot days
3.it is important eat => to eat a good vairiety of food at each meals
4.Eating breakfast is very important beacause it gives you energy on => during the day
5.the best way to stop yawning at boredom is(chữ is ko in đậm nhé ) to do => doing something interesting
Vì \(DE//BC\) nên theo định lí Thales và hệ quả của định lí Thales ta có:
\(\frac{{AD}}{{BD}} = \frac{{AE}}{{EC}};\frac{{BD}}{{AD}} = \frac{{EC}}{{AE}};\frac{{BD}}{{AB}} = \frac{{EC}}{{AC}};\frac{{AD}}{{AB}} = \frac{{AE}}{{AC}} = \frac{{DE}}{{BC}}\).
- Sửa thành 'that' chứ bạn