\(\dfrac{36^4\cdot125}{2^8\cdot5^4\cdot3^6}=\dfrac{2^8\cdot3^8\cdot5^3}{2^8\cdot5^4\cdot3^6}=3^2\cdot\dfrac{1}{5}=\dfrac{9}{5}\)
= ( 2^2 . 3^2)^4 . 5 ^ 3 / 2^8.5^4.3^6
= 2^8 . 3^8 . 5^3 / 2^8 . 5^4 . 3^6
=3^2/5
= 9/5
Chúc bạn học tốt ^^ !!
\(\dfrac{36^4\cdot125}{2^8\cdot5^4\cdot3^6}=\dfrac{2^8\cdot3^8\cdot5^3}{2^8\cdot5^4\cdot3^6}=3^2\cdot\dfrac{1}{5}=\dfrac{9}{5}\)
= ( 2^2 . 3^2)^4 . 5 ^ 3 / 2^8.5^4.3^6
= 2^8 . 3^8 . 5^3 / 2^8 . 5^4 . 3^6
=3^2/5
= 9/5
Chúc bạn học tốt ^^ !!
thực hiện phép tính:\(\frac{2^{12}.3^5-4^6.9^2}{\left(2^2.3\right)^6+8^4.3^5}-\frac{5^{10}.7^3-25^5.49^2}{125^3.7^3+5^9.14^3}\)
\(\frac{7}{4}-\left(\frac{1}{2.2}+\frac{1}{4.3}+\frac{1}{6.4}+\frac{1}{8.5}+\frac{1}{10.6}+\frac{1}{12.7}+\frac{1}{14.8}\right):x=0\)
\(^{\left(\frac{5^4-5^3}{125^4}\right)^3}\)
\(\frac{4^6.9^5+6^9.120}{8^4.3^{12}-6^{11}}\)
\(\frac{\left(-0,7\right)^2.\left(-5\right)^3}{\left(-2\frac{1}{3}\right)^3.\left(1\frac{1}{2}\right)^4.\left(-1\right)^5}\)
Thuc hien phep tinh:
a/\(\frac{\frac{1}{9}-\frac{1}{7}-\frac{1}{11}}{\frac{4}{9}-\frac{4}{7}-\frac{4}{11}}\)+ \(\frac{0,6-\frac{3}{25}-\frac{3}{125}-\frac{3}{625}}{\frac{4}{5}-0,16-\frac{4}{125}-\frac{4}{625}}\)
b/ \(\frac{2^{12}.3^5-4^6.9^2}{\left(2^2.3\right)^6+8^4.3^5}-\frac{5^{10}.7^3-25^5.49^2}{\left(125.7\right)^3+5^9.14^3}\)
Thực hiện phép tính
\(\frac{2^5.3^5+2^4.3^4}{2^4.3^6-2^5.3^5}\)
tìm số tự nhiên n a.(2/33)^n.11^n=4/9 b.125/5^n=5 c.(-6)^n/36=-216
nha mn mình viet lộn
A= \(\frac{\left(81,624:\frac{16}{3}-4,505\right)^2+125.\frac{3}{4}}{\left\{\left[\left(\frac{11}{25}\right)^2:0,88+3,53\right]^2-\left(2,75\right)^2\right\}:\frac{13}{25}}\) B= \(\frac{2^{12}.3^5-4^6.9^2}{\left(2^2.3\right)^6+8^4.3^5}-\frac{5^{10}.7^3-25^5.49^2}{\left(125.7\right)^3+5^9.14^3}\)
Tim x :
\(a.\left\{\frac{1}{2}-\frac{1}{3}\right\}.6^x+6^{x+2}=6^{10}+6^7\)
\(b.\left\{\frac{1}{2}-\frac{1}{6}\right\}.3^{x+4}-4.3^x=3^{16}-4.3^{13}\)
ai nhanh mk tk !
Tính giá trị của biểu thức sau: \(A=\left(4^5.10.5^6+25^5.2^8\right):\left(2^8.5^4+5^7.2^5\right)\)
HELP ME!