Các câu hỏi tương tự
so sanh 334 va 520
718 va 1720
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
so sanh 71^5 va 17^20
1.so sanh: a,A2009^{2010}+2009^{2009}vaB2010^{2010}2.so sanh cac so sau:a,9^{21}va 729^7b,7^{14}va 50^7c,5^{30}va 124^{10}d,31^{11}va 17^{14}e,5^{36}va 7^{24}g,625^5va 125^7i,3^{2n}va 2^{3n}left(ninℕ^∗right)m,5^{23}va 6.5^{22}f,7.2^{13}va 2^{16}h,21^{15}va 27^5.49^8k,199^{20}va 2003^{15}
Đọc tiếp
1.so sanh: \(a,A=2009^{2010}+2009^{2009}va\)\(B=2010^{2010}\)
2.so sanh cac so sau:
a,\(9^{21}\)va \(729^7\)
b,\(7^{14}\)va \(50^7\)
c,\(5^{30}\)va \(124^{10}\)
d,\(31^{11}\)va \(17^{14}\)
e,\(5^{36}\)va \(7^{24}\)
g,\(625^5\)va \(125^7\)
i,\(3^{2n}\)va \(2^{3n}\left(n\inℕ^∗\right)\)
m,\(5^{23}\)va \(6.5^{22}\)
f,\(7.2^{13}\)va \(2^{16}\)
h,\(21^{15}\)va \(27^5.49^8\)
k,\(199^{20}\)va \(2003^{15}\)
So sanh cac so sau day 1 cach nhanh chong
A/ 3/4 va 115/14
B/ 2000/1999 a 1998//1999
C/ -17/234 va 1/1995
D/ 23/-15 va -17/-49
so sanh:715va 1720
Ti le thuc x y ti le voi 2 3 va x+y =-15
X÷y=7÷20 y÷z=7÷3 va y-x-z=62
3/y=7/x va x+16=y
X y ti le voi 5;3 va x^2-y^2=4
5x=8y=20z va x-y-z=3
3x=2y;7y =5z va 2x+y-z=-28
2x/3=3y/4=4z/5 va 3x-4y+5z=65
so sanh cac so huu ti sau:
a.x=-3/5 va y=2/-3
b.x=35/84 va y=8/15
c.x=-5/4 va y=-3/8
d.x=-3/100 va y=2/3
e.x=8/9 va y=19/18
f.x=1250/1251 va y=25/24
So sanh:a/ 2^{225}va 3^{150}b/ 3^{34}va 5^{21}c/ 3^{21}va 2^{31}d/ 2^{91}va 5^{35}e/ 99^{20}va 9999^{10}f/ 12^8.9^{12}va 18^{16}g/ 75^{20}va 45^{10}.5^{30}
Đọc tiếp
So sanh:
a/ \(2^{225}\)va \(3^{150}\)
b/ \(3^{34}\)va \(5^{21}\)
c/ \(3^{21}\)va \(2^{31}\)
d/ \(2^{91}\)va \(5^{35}\)
e/ \(99^{20}\)va \(9999^{10}\)
f/ \(12^8.9^{12}\)va \(18^{16}\)
g/ \(75^{20}\)va \(45^{10}.5^{30}\)