\(\frac{4^5.9^3-12^5}{2^{10}.8^1-2^9.9^2}=\frac{\left(2^2\right)^5.\left(3^2\right)^3-\left(2^2.3\right)^5}{2^{10}.2^3-2^9.81}\)
\(=\frac{2^{10}.3^6-2^{10}.3^5}{2^{13}-2^9.81}=\frac{2^{10}.3^5\left(3-1\right)}{2^9\left(2^4-81\right)}=\frac{2.3^5.2}{-65}=\frac{-972}{65}\)
tính: A = \(\frac{2}{3}+\frac{5}{6}:6-\frac{1}{8}.\left(-3\right)^2\)
B = \(\frac{2^{19}+27^3+15.4^9.9^4}{6^9.2^{10}+12^{10}}\)
hepl me T_T.
Rút gọn biểu thức sau:
\(\frac{2^{20}.27^3+30.4^9.9^4}{6^9.4^5+12^{10}}\)
rút gọn biểu thức:
C=\(\frac{2^{19}.27^3+15.4^9.9^4}{6^9.2^{10}+12^{10}}\)
Rút gọn :
A = \(\frac{2.8^4.27^8+4.6^9}{2^7.6^7+2^7.40.9^4}\)
B = \(\frac{4^5.9^4-2.6^9}{2^{10}.3^8+6^8.20}\)
Tính
a. \(\frac{\left(13\frac{1}{4}-2\frac{5}{7}-10\frac{5}{6}\right).230\frac{1}{25}+46\frac{3}{4}}{\left(1\frac{3}{10}+\frac{10}{3}\right):\left(12\frac{1}{3}-14\frac{2}{7}\right)}\)
Tính giá trị biểu thức:
\(\dfrac{2^{20}.27^3+30.4^9.9^4}{6^9.4^5+12^{10}}\)
tính
a,[-5/8+(-3/4)]+15/6 b, 1/2-(3/4+-5/6)-7/12 c, 17/2-(-3/7+5/3) d,-3-2/3+[-10/9-25/3)-5/6
tính
a,[-5/8+(-3/4)]+15/6 b, 1/2-(3/4+-5/6)-7/12 c, 17/2-(-3/7+5/3) d,-3-2/3+[-10/9-25/3)-5/6
\(\dfrac{4^5.9^4-2.6^9}{2^{10}.3^8+6^8.20}\)
