so sanh cac so sau 0.25^80 va 0.125^90
bai 4: so sanh
a) 1,(05) va 0,(31)
b) 3,0(21) va 3,021
c)0,001 va 0,(001)
d) 1,(31) va 1,(313)
so sanh S=1/30+1/31+1/32+....+1/59+1/60 voi 1/2
So sanh : 315 va 177
so sanh 2^90 va 5^36 do lam dc do
so sanh
(-32)27 va (-18)39
so sanh
333^444 va 444^333
tinh :
\(\frac{2^{50}.3^{61}+2^{90}.3^{16}}{2^{51}.3^{61}+2^{31}.3^{16}}\)
lam on giai dum mk cai nha!
mong nhan dc su giup do tu cac ban
So sanh:\(3^{21}\) va \(2^{31}\)
Cho tam giac ABC co goc A = 90 do. Ve Tia phan giac Bd cua goc B ( D thuoc AC ). Tren canh BC lay E cho BE = BA
a) so sanh do dai doan AD va DE, so sanh goc EDC va ABC
b) cm AE vuong goc voi BD