3^9.3^20.2^8/3^24.243.2^6 215.5^3.2^6.3^4/8.2^18 .81.5 04/11/2021 Bởi Mackenzie 3^9.3^20.2^8/3^24.243.2^6 215.5^3.2^6.3^4/8.2^18 .81.5
$a)\dfrac{3^9.3^{20}.2^8}{3^{24}.243.2^6}$ $=\dfrac{3^{9+20}.2^8}{3^{24}.3^5.2^6}$ $=\dfrac{3^{29}.2^8}{3^{24+5}.2^6}$ $=\dfrac{3^{29}.2^8}{3^{29}.2^6}$ $=\dfrac{2^8}{2^6}$ $=2^8:2^6$ $=2^{8-6}$ $=2^2$ $=4$ $b)$`(215.5^3. 2^6 .3^4)/(8.2^18 .81.5)` `=(5.43.5^3 .2^6 .3^4)/(8.2^18 .3^4 .5)` `=(43.5^{1+2}.2^6)/(8.2^{6+6}.5 )` `=(43.5^2)/(8.2^6)` `=(43.25)/(8.64)` `=1075/512` Bình luận
`(3^9*3^20*2^8)/(3^24*243*2^6` `=(3^29*2^8)/(3^24*3^5*2^6` `=(3^29*2^8)/(3^29*2^6` `=2^2` `=4` `(215*5^3*2^6*3^4)/(8*2^18 *81*5` `=(5*43*5^3*2^6*3^4)/(2^3*2^18 *3^4*5` `=(43*5^4*2^6*3^4)/(2^21 *3^4*5` `=(43*5^3)/(2^15 ` Bình luận
$a)\dfrac{3^9.3^{20}.2^8}{3^{24}.243.2^6}$
$=\dfrac{3^{9+20}.2^8}{3^{24}.3^5.2^6}$
$=\dfrac{3^{29}.2^8}{3^{24+5}.2^6}$
$=\dfrac{3^{29}.2^8}{3^{29}.2^6}$
$=\dfrac{2^8}{2^6}$
$=2^8:2^6$
$=2^{8-6}$
$=2^2$
$=4$
$b)$`(215.5^3. 2^6 .3^4)/(8.2^18 .81.5)`
`=(5.43.5^3 .2^6 .3^4)/(8.2^18 .3^4 .5)`
`=(43.5^{1+2}.2^6)/(8.2^{6+6}.5 )`
`=(43.5^2)/(8.2^6)`
`=(43.25)/(8.64)`
`=1075/512`
`(3^9*3^20*2^8)/(3^24*243*2^6`
`=(3^29*2^8)/(3^24*3^5*2^6`
`=(3^29*2^8)/(3^29*2^6`
`=2^2`
`=4`
`(215*5^3*2^6*3^4)/(8*2^18 *81*5`
`=(5*43*5^3*2^6*3^4)/(2^3*2^18 *3^4*5`
`=(43*5^4*2^6*3^4)/(2^21 *3^4*5`
`=(43*5^3)/(2^15 `