viet tich sau chuyen sang luy thua
9.27
viet gon cac tich sau bang cach dung luy thua:2.2.5.5.2
2.2.5.5.2=(2.2.2).(5.5)=23.52
Viet cac tich sau duoi dang 1 luy thua
2.2.2.3.3.6^2.3
\(\left(2\cdot2\cdot2\cdot3\cdot3\cdot6\right)^{2\cdot3}\)
\(=432^6\)
hok tốt
2.2.2.3.3.6^2 . 3 = 23 . 32 . 36 . 3
= 23 . 32 . 22 . 32 . 3
= 24 . 35
Viet gon cac tich sau thanh luy thua
1000,10,10
bài này dễ mà
1000.10.10=10.10.10.10.10=105
viet ket qua cua tich co 20 thua so sau duoi mot luy thua :10.100.1000.....10..0
viet gon cac tich sau = cach dung luy thua
2.2.2.3.3
Bang cach dung luy thua hay viet gon cac tich sau
a 4.4.4.4.4
b 3.3.3.5.5.5
a ) 4 . 4 . 4 . 4 = 44
b ) 3 . 3 . 3 . 5 . 5 . 5 = 15 . 15 . 15 = 153
nhé !
a) 4 . 4 . 4 . 4 . 4 = 45 = 4^5
b) 3 . 3 . 3 . 5 . 5 . 5 = 33 . 53 = 3^3 . 5^3
Viet tich sau duoi dang luy thua cua mot so :
27^3 x 9^4 x 243
=(3^3)^3x(3^2)4x3^5
=3^9x3^8x3^5
=3^22
viet cac tich sau duoi dang luy 1 luy thua
82.324=?
273.94.243=?
\(8^2.32^4=\left(2^3\right)^2.\left(2^5\right)^4=2^6.2^{20}=2^{26}\)
273.94.243\(=\left(3^3\right)^3.\left(3^2\right)^4.\left(3.2^3\right)^3=3^9.3^8.3^3.2^9=3^{20}.2^9\)
viet gon cac tich sau bang cach dung luy thua
7.7.7.7
2.2.5.5.2
3.5.15.15
1000.10.10
7.7.7.7=7^4
2.2.5.5.2=2^3.5^2
3.5.15.15=3.5.3.5.3.5=3^3.5^3
1000.10.10=10.10.10.10.10=10^5
7.7.7.7 = 74
2.2.5.5.2 = 23.52
3.5.15.15 = 15.15.15 = 153
1000.10.10 = 103.10.10 = 105
Ta có: 7.7.7.7= 74
2.2.5.5.2 = 23.52
3.5.15.15 = 3.5.3.5.3.5 = 33.53
1000.10.10 = 105