( 3\(^{17}\) . 81\(^{11}\) ) : ( 27\(^{10}\) . 9\(^{15}\) )
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3^12.(3^4)^11/(3^3)^10.(3^2)^15=3^12.3^44/3^30.3^30=3^56/3^30
=3^17.9^22/3^30.9^15=9^7/3^13=3^14/3^13=3^1=3
giùm nhé bạn
317.8111/2710.915
=317.(34)11/(33)10.(32)15
=317.344/330.330
=361/360
=3
\(\frac{2^{15}.9^4}{6^3.8^3}\)=\(\frac{2^{15}.\left(3^2\right)^3}{\left(2.3\right)^3.\left(2^3\right)^3}\)=\(\frac{2^{15}.3^6}{2^3.3^3.2^9}\)=\(\frac{2^{15}.3^6}{2^{12}.3^3}\)=\(2^3.3^3\)=8.27=216
A,\(8^2.4^5:2^{20}=\left(2^3\right)^2.\left(2^2\right)^5:2^{20}=2^6.2^{10}:2^{20}=\frac{2^{16}}{2^{20}}=\frac{1}{16}\)
nhan đúng nha
\(\dfrac{3^{17}.81^{11}}{27^{10}.9^{15}}=\dfrac{3^{17}.\left(3^4\right)^{11}}{\left(3^3\right)^{10}.\left(3^2\right)^{15}}=\dfrac{3^{17}.3^{44}}{3^{30}.3^{30}}=\dfrac{3^{61}}{3^{60}}=3\)
Vậy...............
Chúc bạn học tốt!!!
\(\dfrac{3^{17}.81^{11}}{27^{10}.9^{15}}=\dfrac{3^{17}.\left(3^4\right)^{11}}{\left(3^3\right)^{10}.\left(3^2\right)^{15}}=\dfrac{3^{17}.3^{44}}{3^{30}.3^{30}}=\dfrac{3^{61}}{3^{60}}=3\)