so sánh A và B ( giải rõ ra giùm mk nhé, ai nhanh & chính xác nhất mk nhất định sẽ k)
\(A=\frac{20}{39}+\frac{22}{27}+\frac{18}{43}\)\(B=\frac{14}{39}+\frac{22}{29}+\frac{18}{41}\)
so sánh A và B :
A = \(\frac{20}{39}+\frac{22}{27}+\frac{18}{43}\), B = \(\frac{14}{39}+\frac{22}{29}+\frac{18}{41}\)
So sánh \(A=\frac{20}{39}+\frac{22}{27}+\frac{18}{43}\)và \(B=\frac{14}{37}+\frac{22}{29}+\frac{18}{41}\)
1/ Cho \(M=\frac{34}{7.13}+\frac{51}{13.22}+\frac{85}{22.37}+\frac{68}{37.49}\)
\(N=\frac{39}{7.16}+\frac{65}{16.31}+\frac{52}{31.43}+\frac{26}{43.49}\)
Tính tỉ số \(\frac{M}{N}\).
2/ So sánh \(A\)và \(B\), biết:
\(A=\frac{20}{39}+\frac{22}{27}+\frac{18}{43}\)
\(B=\frac{14}{39}+\frac{22}{29}+\frac{18}{41}\)
so sánh A và B :
a) A = \(\frac{20}{39}+\frac{22}{27}+\frac{18}{43}\) ; B = \(\frac{14}{39}+\frac{22}{29}+\frac{18}{41}\)
b) A = \(\frac{3}{8^3}+\frac{7}{8^4}\) , B= \(\frac{7}{8^3}+\frac{3}{8^4}\)
c) A = \(\frac{10^7+5}{10^7-8}\) , B = \(\frac{10^8+6}{10^8-7}\)
d) A = \(\frac{10^{1992}+1}{10^{1991}+1}\), B = \(\frac{10^{1933}+1}{10^{1992}+1}\)
Toán nâng cao 6
So sánh :
a) A= \(\frac{20}{39}\)+ \(\frac{22}{27}\)+\(\frac{18}{43}\) B= \(\frac{14}{39}\)+\(\frac{22}{29}\)+ \(\frac{18}{41}\)
b) A= \(\frac{1+5+5^2+5^3+5^4+...+5^9}{1+5+5^2+...+5^8}\)
B= \(\frac{1+3+3^2+3^3+...+3^9}{1+3+3^2+...+3^8}\)
So sánh A và B:
A=20/39+22/27+18/43 ; B=14/39+22/29+18/41
so sanh A=20/39+22/27+18/43 va B=14/39+22/29+18/41
giai mau giup minh voi
So sánh A và B :
a,A=20/39+22/27+18/43 B=14/39+22/29+18/41
3 like cho ai làm được