Cho A=\(5.4^{15}.9^9-4.3^{20}.8^9\)và B=\(5.2^9.6^{19}-7.2^{29}.27^6\)

Hãy tính A:B

Cho C=\(2181.729+243.81.27\)và D=\(3^2.9^2.243+18.243.324+723.729\)

Tính C:D

Cho:

a,A=,\(5.4^{15}.9^9-4.3^{20}.8^9\)

B=\(5.2^9.6^{19}-7.2^{29}.27^6\)

Tính A:B

b,\(C=2181.729+243.81.27\)

\(D=3^2.9^2.243+18.243.324+723.729\).  Tính C:D

Thực hiện phép tính sau:

a,\(\frac{2181.729+243.81.27}{3^2.9^2.243+18.54.162.9+723.729}\)

b,\(\frac{1}{2}+\frac{1}{2.3}+\frac{1}{3.4}+..........+\frac{1}{99.100}\)

c,\(\frac{5.4^{15}-9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)

a)\(\frac{2181.729+243.81.27}{3^2.9^2.234+18.54.162.9+723.729}\) 

b)\(\frac{5.4^{15}-9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)

câu 1: thực hiện các phép tính sau

a)\(\frac{2181.729+243.81.27}{3^2.9^2.234+18.54.162.9+723.729}\) 

b)\(\frac{5.4^{15}-9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)

a)\(\frac{2181.729+243.81.27}{3^2.9^2.234+18.54.162.9+723.729}\)

b)\(\frac{5.4^{15}-9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)

ai nhanh nhất vs đúng mình k cho 

Ai giải được mình cho 10 cái like

\(\frac{2181.729+243.81.27}{3^2.9^2.243+18.54.162.9+723.729}\)                           \(\frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9.6^{19}-7.2^{29}.27^6}\)

Bài 1. Tính
\(A=\frac{2181.729+243.81.27}{9.81.324+18.54.162.9+723.729}\)

\(B=\frac{5.4^{15}.9^9-4.3^{20}.8^9}{5.2^9+6^{19}-7.2^{29}.27^6}\)

Bài 2. CM
\(1.2+2.3+....+n\left(n-1\right)=\frac{n\left(n+1\right)\left(n+2\right)}{3}\)