\(4^{30}=2^{60}\)
\(8^{12}=2^{36}\)
mà 60>36
nên \(4^{30}>8^{12}\)
vì \(8^{12}=\left(4x2^{ }\right)^{12}=4^{24}\)
430=(22)30=260
812=(23)12=236
60>36=>260>236<=> 430>812
\(4^{30}=2^{60}\)
\(8^{12}=2^{36}\)
mà 60>36
nên \(4^{30}>8^{12}\)
vì \(8^{12}=\left(4x2^{ }\right)^{12}=4^{24}\)
430=(22)30=260
812=(23)12=236
60>36=>260>236<=> 430>812
so sanh 2 mu 36 va 3 mu 27
9 mu 20 va 9999 mu 10
54 mu 4 va 21 mu 12
So sanh
a ] 10 mu 20 va 19 mu 10
b ] [ -5 ] mu 30 va [ -3 ] mu 50
c ] 64 mu 8 va 16 mu 12
So sanh (2mu31)mu100 va (3mu21)mu 100
So sánh -1/5 mũ 300 và -1/5 mũ 500
Giúp Mik Vs Ak
1) Viet cac so 2 mu 27 va 3 mu 18 duoi dang luy thua co so mu la9
so sanh 4^15/7^30 va 8^10.3^30/7^30.4^15
Cau1:(-2/3)mũ3+(-1)mu2004+(-3065/100).
Cau2:
3mu6.45mu4 -15mu3.5mu-9
27mu4.25mu3.45mu6
Cau3:
4mu5.9mu4-2.6
2mu10.3mu8+6mu8.20
Cau4:18.(-3/2+2/3)-2.(-1/2)mu2.(-4/5)+2
Bai2:tim x
a ,X mu2+2/9=5/12+1/4
b,3mu x+1+3mu x+3=810
c,2|x-1|+(-1/2)mu 5=(-1/4)mu 3
d,(|x|-1/8).(-1/8)mu5 =(-1/8)mu7
Bai3:so sanh 99mu20 và9999mu10
hay so sanh:
99^20 va 9999^10
54^4 va 21^12
71^5 va 17^20
2^30+3^20+4^30 va 3x 24^10
thu gon cac don thuc va chi ra phan he so cua chung 5x mu 2 nhan 3xy mu 2