\(A=\frac{2^{10}.3^8-2^{10}.3^9}{2^{10}.3^8+2^{10}.3^8.5}\)
\(A=\frac{2^{10}.3^8.\left(1-3\right)}{2^{10}.3^8\left(1+5\right)}\)
\(A=\frac{1-3}{1+5}\)
\(A=\frac{-1}{3}\)
\(A=\frac{2^{10}.3^8-2^{10}.3^9}{2^{10}.3^8+2^{10}.3^8.5}\)
\(A=\frac{2^{10}.3^8.\left(1-3\right)}{2^{10}.3^8\left(1+5\right)}\)
\(A=\frac{1-3}{1+5}\)
\(A=\frac{-1}{3}\)
hãy rút gọn biểu thức sau
\(\frac{4^5.9^4-2.6^9}{2^{10}.3^8+6^8.20}\)
1. Rút gọn:
\(B=\frac{4^5.9^4-2.6^9}{2^{10}.3^8+6^8.20}\)
Bài tập: \(A=\frac{4^5.9^5-2.6^9}{2^{10}.3^8+6^8.20}\)
tính nhanh:
4^5.9^4-2.6^9/2^10.3^8+6^8.20
Tính:\(B=\dfrac{4^5.9^4-2.6^9}{2^{10}.3^8+6^8.20}\)
Rút gọn các biểu thức sau :
a) \(A=\)\(\frac{4^5.9^4-2.6^9}{2^{10}.3^8+6^8.20}\)
b) \(B=\)\(\frac{\left(\frac{2}{3}\right)^3.\left(\frac{-3}{4}\right)^2.\left(-1\right)^5}{\left(\frac{2}{5}\right)^2.\left(\frac{-5}{12}\right)^3}\)
tính giá trị của biểu thức : ( 4^5.9^4+2.6^9) : (2^10.3^8-6^8.2)
chú ý : (dấu chấm trong biểu thức và dấu nhân)
\(\frac{11^4.6-11^5}{11^4-11^5}:\frac{9^8.3-9^9}{9^8.5+9^8.7}\)
\(\frac{3}{5}:\left(\frac{-1}{5}-\frac{1}{6}\right)+\frac{3}{5}:\left(\frac{-1}{3}-1\frac{1}{15}\right)\)
\(\left(\frac{1}{2}-\frac{13}{14}\right):\frac{5}{7}-\left(-\frac{2}{21}+\frac{1}{7}\right):\frac{5}{7}\)
\(\frac{4^5.9^4-2.6^9}{2^{10}.3^8+6^8.20}\)
Help me!!!Thanks các pạn nhìu nha.
Tính hợp lý:
1)(1/2+1/3+1/4+...+1/100):(99/1+98/2+97/3+...+1/99)
2)A=1/3+1/3^2+1/3^3+...+1/3^99
3)4^5.9^4-2.6^9/2^10.3^8+6^8.20