lg3b

3+lgb

lgb³

$$\frac{\log_37}{\log_3x}_{ }$$

$$\frac{\log_3x}{\log_37}$$

7^x

$$7\cdot\log x$$

77

1

0

nem értelmezzük

log₂21

$$\log_224^{-3}$$

3

$$\frac{24}{3}$$

$$\log_x\left(u\cdot v\right)=\log_x\left(u\right)+\log_x\left(v\right)$$

$$\log_x\left(u\right)^v=v\cdot\log_x\left(u\right)$$

$$\log_x\left(\frac{u}{v}\right)=\log_x\left(u\right)-\log_x\left(v\right)$$

$$\log_x\left(u+v\right)=\log_x\left(u\right)+\log_x\left(v\right)$$

$$a\cdot\log_b+c\cdot\log_b$$  

$$\log_b\left(a\right)-\log_{b\ }\left(c\right)$$  

$$\log_b\left(a\right)\div\log_b\left(c\right)$$  

$$c\cdot\log_b\left(a\right)$$  

$$a\cdot\log_b+c\cdot\log_b$$  

$$\log_b\left(a\right)+\log_{b\ }\left(c\right)$$  

$$\log_b\left(a\right)\cdot\log_b\left(c\right)$$  

$$c\cdot\log_b\left(a\right)$$  

$$\frac{16}{\sqrt[3]{81}}$$

$$\frac{2}{\sqrt[3]{81}}$$

$$\frac{2}{27}$$

54