giúp nhanh nha đang gấp
2^3.3^5.4^4/4^6.9^2
3.C=5.4^6.9^4-3^9.(-8)^4/ 4.2^13.3^8+2.8^4.(-27)^3
Lm giúp mik nha, mik đang cần gấp
TÍNH GIÁ TRỊ BIỂU THỨC
BÀI 1:
3.C=5.4^6.9^4-3^9.(-8)^4/4.2^13.3^8+2.8^4.(-8)^4
AI GIÚP MIK VS Ạ :)))
AI NHANH MIK TIK LUÔN NHÉ,KHÔNG NÓI DỐI :)))
B=(-2)^5.4^3.3^5.9.6/4^2.3^6.2^6.45
C=5.4^6.9^4-3^9.(-8)^4/4.2^13.3^8+2.8^4.(-27)^3
\(C=\dfrac{5\cdot2^{12}\cdot3^8-3^9\cdot2^{12}}{2^{15}\cdot3^8-2^{13}\cdot3^9}\)
\(=\dfrac{2^{12}\cdot3^8\left(5-3\right)}{2^{13}\cdot3^8\left(2^2-3\right)}=\dfrac{1}{2}\cdot\dfrac{2}{1}=1\)
\(\dfrac{5.4^6.9^4-3^9.8^4}{4.2^{13}.3^{18}-2.2^{12}.3^9}\)
\(=\dfrac{5\cdot2^{12}\cdot3^8-3^9\cdot2^{12}}{2^{15}\cdot3^{18}-2^{13}\cdot3^9}\)
\(=\dfrac{2^{12}\cdot3^8\left(5-3\right)}{2^{13}\cdot3^9\left(2^2\cdot3^9-1\right)}\)
\(=\dfrac{1}{3\cdot\left(4\cdot3^9-1\right)}\)
Tính \(A=\frac{2^{12}.3^5-4^6.9^2}{\left(2^2.3\right)^6+8^4.3^5}+\frac{16^3.3^{10}+120.6^9}{4^6.3^{12}+6^{12}}\)
giúp mình vs các bạn ơi
mk ko viết lại đề
\(A=\frac{2^{12}.3^5-2^{12}.3^4}{2^{12}.3^6+2^{12}.3^5}+\frac{2^{12}.3^{10}+2^{12}.3^{10}.5}{2^{12}.3^{12}+2^{12}.3^{12}}\)
\(=\frac{2^{12}.3^4\left(3-1\right)}{2^{12}.3^5\left(3+1\right)}+\frac{2^{12}.3^{10}\left(1+5\right)}{2.\left(2^{12}.3^{12}\right)}\)
\(=\frac{2}{3.4}+\frac{2^{12}.3^{10}.6}{2.2^{12}.3^{12}}=\frac{1}{6}+\frac{1}{3}=\frac{1}{2}\)
Vậy A= \(\frac{1}{2}\)
(2^12.3^5-4^6.9^2)/((2^3.3)^6)-5^10.7^3-25^5.49^2/(125.7)^3+5^9.14^3
tim x biet :x+5-7+1+5+8-9-1+2+4+5.4-4<98
giai cach lam ra nha
làm nhanh tớ đang cần gấp
Giúp mình nhanh nha các bạn, trả lời đúng mình tích.
\(\frac{54}{9}+5\frac{8}{2}\cdot\frac{64+9-10-\left(3.3\right)}{5.10-6.9+13}+3^2\)