64/169=(8/13)^x

\(9^x:3^x=3\)

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giải chi tiết,k ghi luôn kết quả

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nocopy

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k cần dài quá

8/25=2x/5^x-1

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(2x+1)^5=(2x+1)^2020

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â,(2x-3)^4=(2x-3)^6

b,(2x+1)^5=(2x+1)2020

gapậ

so sánh

a,(-1/4)^8 và (1/8)^5

b,(1/10)^15 và(3/10)^20

So sánh các cặp số sau

c,A=13^15 +1/13^16 +1

d,B=13^16 +1/13^17+1

e, A=1999^1999 +1/1999^1998 +1

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Underline and correct the mistakes in these sentences.Write"True" if the sentence is right

1.King Henry the Eighth of England has had six wives

2.He lived in Korea for a while when he was small

3.Your finger is bleeding!You have cut your finger

4.What have you done this weekend

5.What subjects has she studied at university?She's a teacher now

6.He has been married forr 10 years,but hê got divorced

7.She has never seen such a fantastic movie before

8.Mary has lived in England since 2012

9.I have mised the bus and then I have mised the meeting as well

10.She played volleyball since  she was a child.She's pretty good

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