Question

 Rút gọn các phân số sau: 

a) \(\frac{2^3}{2^4}\)

b) \(\frac{3^5}{3^4}\)

c) \(\frac{4^7}{4^{10}}\)

d) \(A=\frac{10.11+50.55+70.77}{11.12+55.60+77.84}\)

Answer 1

a)1/2

b)3

c)1/64

d)18500

Answer 2

a,2³/2⁴=8/16=1/2

b,3⁵/3⁴=3

c,1/64

d,18500

Answer 3

a 1/2

b 3

c 1/64 

d 18500

Answer 4

a, 1/2

b, 3

c, 1/64

d, 18500

chúc bn hok tốt

Answer 5

\(a.\frac{1}{2}\)

\(b.3\)

\(c.\frac{1}{64}\)

\(d.18500\)