D bạn nhé

đáp án c

B. Công cụ đá được mài sắc ở lưỡi

câu trả lời:

A

@ĐỗPhươngThanh

B. 500g

đề sai sai mik tính ra 0,5
~HT~

em không biết

\(5^2.2^x=20^2\)

\(\Rightarrow25.2^x=400\)

\(\Rightarrow2^x=400:25\)

\(\Rightarrow2^x=16\)

\(\Rightarrow2^x=2^4\)

\(\Rightarrow x=4\)

ồ ra vậy nhưng tớ không biết giải thích tớ chỉ biết đáp án thôi

`2x + 3x = 6`

`=>` \(\orbr{2x}=6\\ 3:x=6\)

`=>` \(\orbr{x}=3\\ x=\frac{1}{2}\)

HT!

Trả lời đi

Hello everyone, my name is Duc anh. I am eleven years old.Iam going to discuss about my primary school namely Sir.C.R.R public school.It is one the famous and good school, which is located in the Eluru city, India and takes 18kms from my village.I studied in this school up to my 5th standard and the syllabus taught here is central syllabus. I used to get good ranks and teachers are from kerala state and they are majors in distinct fields.I really enjoyed my schooling with my friends by playing different games in play ground, coco is one of the best Indian games, which we used to play almost every day for one hour except weekends.To conclude, the school is well-established that contain all sort of facilities , which os necessary for school.

Ta có :
     27 mũ 11 = (3mu3)mũ11=3 mũ33
     81 mũ 8  = (3 mũ 4)mũ 8 =3 mũ 32
                Vì 3 mũ 33 >3 mũ 32
          Vậy 27 mũ 11 > 81 mũ 8
                    Cho xin k

                      HOK TỐT

Slslss