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#)Giải :
\(A=\frac{3^{10}.11+3^{10}.5}{3^9.2^4}=\frac{3^{10}\left(11+5\right)}{3^9.2^4}=\frac{3^{10}.2^4}{3^9.2^3}=3\)
\(A=\frac{3^{10}.11+3^{10}.5}{3^9.2^4}\)
\(A=\frac{3^{10}\left(11+5\right)}{3^9.2^4}\)
\(A=\frac{3^{10}.16}{3^9.2^4}\)
\(A=\frac{3^{10}.2^4}{3^9.2^4}\)
\(A=3\)
\(\left(2^{10}.13+2^{10}.65\right):2^8.104\)
\(=\left[2^{10}.\left(13+65\right)\right]:2^8.104\)
\(=\left(2^{10}.78\right):2^8.104\)
\(=2^2.78.104\)
\(=32448\)
A = \(\dfrac{21^2.14.125}{35^5.6}\)
= \(\dfrac{\left(3.7\right)^2.\left(2.7\right).5^3}{\left(5.7\right)^5.\left(2.3\right)}\)
= \(\dfrac{3^2.7^2.2.7.5^3}{5^5.7^5.2.3}\)
= \(\dfrac{3^2.7^3.2.5^3}{5^5.7^5.2.3}\)
= \(\dfrac{3}{5^2.7^2}\)
= \(\dfrac{3}{35^2}\)
@Pham Thi Thu Trang
B = \(\dfrac{2^{10}.13+2^{10}.65}{2^8.104}\)
= \(\dfrac{2^{10}\left(13+65\right)}{2^8.104}\)
= \(\dfrac{2.78}{104}\)
= \(\dfrac{3}{2}\)
@Pham Thi Thu Trang
E= 29.26:213 = 29+6-13 = 22 = 4
F=35.27.26 = 35.33.26 = 38.26 = 419904
G=64.210 :214 = 26.210 :214 = 26+10-14 = 22 = 4
F=32.128:210 = 25.27:210 = 25+7-10 = 22 = 4
nhập máy tính cầm tay:kết quả là: 32448
Nhớ kick mình nhé coi không mà không kick là thằng khùng
C = \(\frac{2^{10}.13+2^{10}.65}{2^6.104}\)
= \(\frac{2^{10}.\left(13+65\right)}{2^6.104}\)
= \(\frac{2^{10}.78}{2^6.104}\)
= \(\frac{2^6.2^4.78}{2^6.104}\)
= \(\frac{2^6.16.78}{2^6.4.26}\)
= \(\frac{2^6.4.4.26.3}{2^6.4.26}\)
= \(4.3\)
= \(12\)