\(=\dfrac{5\cdot2^{30}\cdot3^{18}-2^{29}\cdot3^{20}}{5\cdot2^{25}\cdot3^{16}-7\cdot2^{29}\cdot3^{18}}\)
\(=\dfrac{2^{29}\cdot3^{18}\left(5\cdot2-9\right)}{2^{25}\cdot3^{16}\left(5-7\cdot2^4\cdot3^2\right)}=\dfrac{-16}{9\cdot1003}\)
\(=\dfrac{5\cdot2^{30}\cdot3^{18}-2^{29}\cdot3^{20}}{5\cdot2^{25}\cdot3^{16}-7\cdot2^{29}\cdot3^{18}}\)
\(=\dfrac{2^{29}\cdot3^{18}\left(5\cdot2-9\right)}{2^{25}\cdot3^{16}\left(5-7\cdot2^4\cdot3^2\right)}=\dfrac{-16}{9\cdot1003}\)
5.4^15.9^9-4.3^20.8^9/5.2^9.6^19-7.2^29.27^6
C = 5.4^15.9^9-4.3^20.8^9 / 5.2^9.6^19-7.2^29.27^6
Tính 5.4^15.9^9-4.3^20.8^9/5.2^9.6^19-7.2^29.27^6
Giúp mình giải bài này nhé : (5.4^15.9^9-4.3^20.8^9) : (5.2^9.6^19-7.2^29.27^6)
Tính nhanh:
5.4^15.9^9-4.3^20.8^9
5.2^9.6^19-7.2^29.27^6
5.4^15.9^9.4.3^20.8^9 phần 5.2^9.6^16-7.2^29.27^6 giúp em tick cko nha
a, (7.6^10.2^20.3^6-2^19.6^15) : (9.6^19.2^9-4.3^17.2^20)
b, (5.4^15.9^9-4.3^20.8^9) : (5.2^9.6^19-7.2^29.27^6)
A=5.4^15.9^9-4.3^20.8^9 và B=5.2^9.6^19-7.2^29.27^6.
Tim A,B
cho A=5.4 mũ 15.9 mũ 9-4.3 mũ 20.8 mũ 9
B=5.2 mũ 9.6 mũ 19-7.2 mũ 29.27 mũ 6
5.4^15.9^9-4.3^20.8^9/5.2^10.6^19-7.2^29.27^6